解惑：在Ubuntu18.04.2的idea上运行Scala支持的spark程序遇到的问题

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<!-- <scala.version>2.11.0</scala.version>-->
<spark.artifactID.suffix>2.11</spark.artifactID.suffix>
<spark.version>2.4.3</spark.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-mllib_${spark.artifactID.suffix}</artifactId>
<version>${spark.version}</version>
</dependency>
</dependencies>

package com.kmeans import org.apache.spark.{SparkConf, SparkContext} object MyTest {
def main(args:Array[String]): Unit = {
val logFile="file:///home/zyr/file.txt"
val conf = new SparkConf().setAppName("Simple Application").setMaster("local[2]")
val sc=new SparkContext(conf)
val logData=sc.textFile(logFile,2).cache()
val num=logData.flatMap(x=>x.split(" ")).filter(_.contains("a")).count()
println("Words with a : %s".format(num))
sc.stop()
}
}

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/usr/lib/jvm/java-8-openjdk-amd64/bin/java -javaagent:/usr/local/idea/lib/idea_rt.jar=44451:/usr/local/idea/bin -Dfile.encoding=UTF-8 -classpath /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/charsets.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/cldrdata.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/dnsns.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/icedtea-sound.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/jaccess.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/java-atk-wrapper.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/localedata.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/nashorn.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/sunec.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/sunjce_provider.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/sunpkcs11.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/ext/zipfs.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/jce.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/jsse.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/management-agent.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/resources.jar:/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/rt.jar:/home/zyr/IdeaProjects/myspark/target/classes:/home/zyr/.m2/repository/org/scala-lang/scala-reflect/2.11.0/scala-reflect-2.11.0.jar:/home/zyr/.m2/repository/org/scala-lang/scala-library/2.11.0/scala-library-2.11.0.jar:/home/zyr/.m2/repository/org/apache/spark/spark-mllib_2.11/2.4.3/spark-mllib_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/scala-lang/modules/scala-parser-combinators_2.11/1.1.0/scala-parser-combinators_2.11-1.1.0.jar:/home/zyr/.m2/repository/org/scala-lang/scala-library/2.11.12/scala-library-2.11.12.jar:/home/zyr/.m2/repository/org/apache/spark/spark-core_2.11/2.4.3/spark-core_2.11-2.4.3.jar:/home/zyr/.m2/repository/com/thoughtworks/paranamer/paranamer/2.8/paranamer-2.8.jar:/home/zyr/.m2/repository/org/apache/avro/avro/1.8.2/avro-1.8.2.jar:/home/zyr/.m2/repository/org/codehaus/jackson/jackson-core-asl/1.9.13/jackson-core-asl-1.9.13.jar:/home/zyr/.m2/repository/org/codehaus/jackson/jackson-mapper-asl/1.9.13/jackson-mapper-asl-1.9.13.jar:/home/zyr/.m2/repository/org/apache/commons/commons-compress/1.8.1/commons-compress-1.8.1.jar:/home/zyr/.m2/repository/org/tukaani/xz/1.5/xz-1.5.jar:/home/zyr/.m2/repository/org/apache/avro/avro-mapred/1.8.2/avro-mapred-1.8.2-hadoop2.jar:/home/zyr/.m2/repository/org/apache/avro/avro-ipc/1.8.2/avro-ipc-1.8.2.jar:/home/zyr/.m2/repository/commons-codec/commons-codec/1.9/commons-codec-1.9.jar:/home/zyr/.m2/repository/com/twitter/chill_2.11/0.9.3/chill_2.11-0.9.3.jar:/home/zyr/.m2/repository/com/esotericsoftware/kryo-shaded/4.0.2/kryo-shaded-4.0.2.jar:/home/zyr/.m2/repository/com/esotericsoftware/minlog/1.3.0/minlog-1.3.0.jar:/home/zyr/.m2/repository/org/objenesis/objenesis/2.5.1/objenesis-2.5.1.jar:/home/zyr/.m2/repository/com/twitter/chill-java/0.9.3/chill-java-0.9.3.jar:/home/zyr/.m2/repository/org/apache/xbean/xbean-asm6-shaded/4.8/xbean-asm6-shaded-4.8.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-client/2.6.5/hadoop-client-2.6.5.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-common/2.6.5/hadoop-common-2.6.5.jar:/home/zyr/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/home/zyr/.m2/repository/xmlenc/xmlenc/0.52/xmlenc-0.52.jar:/home/zyr/.m2/repository/commons-httpclient/commons-httpclient/3.1/commons-httpclient-3.1.jar:/home/zyr/.m2/repository/commons-io/commons-io/2.4/commons-io-2.4.jar:/home/zyr/.m2/repository/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/home/zyr/.m2/repository/commons-configuration/commons-configuration/1.6/commons-configuration-1.6.jar:/home/zyr/.m2/repository/commons-digester/commons-digester/1.8/commons-digester-1.8.jar:/home/zyr/.m2/repository/commons-beanutils/commons-beanutils/1.7.0/commons-beanutils-1.7.0.jar:/home/zyr/.m2/repository/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-auth/2.6.5/hadoop-auth-2.6.5.jar:/home/zyr/.m2/repository/org/apache/httpcomponents/httpclient/4.2.5/httpclient-4.2.5.jar:/home/zyr/.m2/repository/org/apache/httpcomponents/httpcore/4.2.4/httpcore-4.2.4.jar:/home/zyr/.m2/repository/org/apache/directory/server/apacheds-kerberos-codec/2.0.0-M15/apacheds-kerberos-codec-2.0.0-M15.jar:/home/zyr/.m2/repository/org/apache/directory/server/apacheds-i18n/2.0.0-M15/apacheds-i18n-2.0.0-M15.jar:/home/zyr/.m2/repository/org/apache/directory/api/api-asn1-api/1.0.0-M20/api-asn1-api-1.0.0-M20.jar:/home/zyr/.m2/repository/org/apache/directory/api/api-util/1.0.0-M20/api-util-1.0.0-M20.jar:/home/zyr/.m2/repository/org/apache/curator/curator-client/2.6.0/curator-client-2.6.0.jar:/home/zyr/.m2/repository/org/htrace/htrace-core/3.0.4/htrace-core-3.0.4.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-hdfs/2.6.5/hadoop-hdfs-2.6.5.jar:/home/zyr/.m2/repository/org/mortbay/jetty/jetty-util/6.1.26/jetty-util-6.1.26.jar:/home/zyr/.m2/repository/xerces/xercesImpl/2.9.1/xercesImpl-2.9.1.jar:/home/zyr/.m2/repository/xml-apis/xml-apis/1.3.04/xml-apis-1.3.04.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-mapreduce-client-app/2.6.5/hadoop-mapreduce-client-app-2.6.5.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-mapreduce-client-common/2.6.5/hadoop-mapreduce-client-common-2.6.5.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-yarn-client/2.6.5/hadoop-yarn-client-2.6.5.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-yarn-server-common/2.6.5/hadoop-yarn-server-common-2.6.5.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-mapreduce-client-shuffle/2.6.5/hadoop-mapreduce-client-shuffle-2.6.5.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-yarn-api/2.6.5/hadoop-yarn-api-2.6.5.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-mapreduce-client-core/2.6.5/hadoop-mapreduce-client-core-2.6.5.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-yarn-common/2.6.5/hadoop-yarn-common-2.6.5.jar:/home/zyr/.m2/repository/javax/xml/bind/jaxb-api/2.2.2/jaxb-api-2.2.2.jar:/home/zyr/.m2/repository/javax/xml/stream/stax-api/1.0-2/stax-api-1.0-2.jar:/home/zyr/.m2/repository/org/codehaus/jackson/jackson-jaxrs/1.9.13/jackson-jaxrs-1.9.13.jar:/home/zyr/.m2/repository/org/codehaus/jackson/jackson-xc/1.9.13/jackson-xc-1.9.13.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-mapreduce-client-jobclient/2.6.5/hadoop-mapreduce-client-jobclient-2.6.5.jar:/home/zyr/.m2/repository/org/apache/hadoop/hadoop-annotations/2.6.5/hadoop-annotations-2.6.5.jar:/home/zyr/.m2/repository/org/apache/spark/spark-launcher_2.11/2.4.3/spark-launcher_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/apache/spark/spark-kvstore_2.11/2.4.3/spark-kvstore_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/fusesource/leveldbjni/leveldbjni-all/1.8/leveldbjni-all-1.8.jar:/home/zyr/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.6.7/jackson-core-2.6.7.jar:/home/zyr/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.6.7/jackson-annotations-2.6.7.jar:/home/zyr/.m2/repository/org/apache/spark/spark-network-common_2.11/2.4.3/spark-network-common_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/apache/spark/spark-network-shuffle_2.11/2.4.3/spark-network-shuffle_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/apache/spark/spark-unsafe_2.11/2.4.3/spark-unsafe_2.11-2.4.3.jar:/home/zyr/.m2/repository/javax/activation/activation/1.1.1/activation-1.1.1.jar:/home/zyr/.m2/repository/org/apache/curator/curator-recipes/2.6.0/curator-recipes-2.6.0.jar:/home/zyr/.m2/repository/org/apache/curator/curator-framework/2.6.0/curator-framework-2.6.0.jar:/home/zyr/.m2/repository/com/google/guava/guava/16.0.1/guava-16.0.1.jar:/home/zyr/.m2/repository/org/apache/zookeeper/zookeeper/3.4.6/zookeeper-3.4.6.jar:/home/zyr/.m2/repository/javax/servlet/javax.servlet-api/3.1.0/javax.servlet-api-3.1.0.jar:/home/zyr/.m2/repository/org/apache/commons/commons-lang3/3.5/commons-lang3-3.5.jar:/home/zyr/.m2/repository/com/google/code/findbugs/jsr305/1.3.9/jsr305-1.3.9.jar:/home/zyr/.m2/repository/org/slf4j/slf4j-api/1.7.16/slf4j-api-1.7.16.jar:/home/zyr/.m2/repository/org/slf4j/jul-to-slf4j/1.7.16/jul-to-slf4j-1.7.16.jar:/home/zyr/.m2/repository/org/slf4j/jcl-over-slf4j/1.7.16/jcl-over-slf4j-1.7.16.jar:/home/zyr/.m2/repository/log4j/log4j/1.2.17/log4j-1.2.17.jar:/home/zyr/.m2/repository/org/slf4j/slf4j-log4j12/1.7.16/slf4j-log4j12-1.7.16.jar:/home/zyr/.m2/repository/com/ning/compress-lzf/1.0.3/compress-lzf-1.0.3.jar:/home/zyr/.m2/repository/org/xerial/snappy/snappy-java/1.1.7.3/snappy-java-1.1.7.3.jar:/home/zyr/.m2/repository/org/lz4/lz4-java/1.4.0/lz4-java-1.4.0.jar:/home/zyr/.m2/repository/com/github/luben/zstd-jni/1.3.2-2/zstd-jni-1.3.2-2.jar:/home/zyr/.m2/repository/org/roaringbitmap/RoaringBitmap/0.7.45/RoaringBitmap-0.7.45.jar:/home/zyr/.m2/repository/org/roaringbitmap/shims/0.7.45/shims-0.7.45.jar:/home/zyr/.m2/repository/commons-net/commons-net/3.1/commons-net-3.1.jar:/home/zyr/.m2/repository/org/json4s/json4s-jackson_2.11/3.5.3/json4s-jackson_2.11-3.5.3.jar:/home/zyr/.m2/repository/org/json4s/json4s-core_2.11/3.5.3/json4s-core_2.11-3.5.3.jar:/home/zyr/.m2/repository/org/json4s/json4s-ast_2.11/3.5.3/json4s-ast_2.11-3.5.3.jar:/home/zyr/.m2/repository/org/json4s/json4s-scalap_2.11/3.5.3/json4s-scalap_2.11-3.5.3.jar:/home/zyr/.m2/repository/org/scala-lang/modules/scala-xml_2.11/1.0.6/scala-xml_2.11-1.0.6.jar:/home/zyr/.m2/repository/org/glassfish/jersey/core/jersey-client/2.22.2/jersey-client-2.22.2.jar:/home/zyr/.m2/repository/javax/ws/rs/javax.ws.rs-api/2.0.1/javax.ws.rs-api-2.0.1.jar:/home/zyr/.m2/repository/org/glassfish/hk2/hk2-api/2.4.0-b34/hk2-api-2.4.0-b34.jar:/home/zyr/.m2/repository/org/glassfish/hk2/hk2-utils/2.4.0-b34/hk2-utils-2.4.0-b34.jar:/home/zyr/.m2/repository/org/glassfish/hk2/external/aopalliance-repackaged/2.4.0-b34/aopalliance-repackaged-2.4.0-b34.jar:/home/zyr/.m2/repository/org/glassfish/hk2/external/javax.inject/2.4.0-b34/javax.inject-2.4.0-b34.jar:/home/zyr/.m2/repository/org/glassfish/hk2/hk2-locator/2.4.0-b34/hk2-locator-2.4.0-b34.jar:/home/zyr/.m2/repository/org/javassist/javassist/3.18.1-GA/javassist-3.18.1-GA.jar:/home/zyr/.m2/repository/org/glassfish/jersey/core/jersey-common/2.22.2/jersey-common-2.22.2.jar:/home/zyr/.m2/repository/javax/annotation/javax.annotation-api/1.2/javax.annotation-api-1.2.jar:/home/zyr/.m2/repository/org/glassfish/jersey/bundles/repackaged/jersey-guava/2.22.2/jersey-guava-2.22.2.jar:/home/zyr/.m2/repository/org/glassfish/hk2/osgi-resource-locator/1.0.1/osgi-resource-locator-1.0.1.jar:/home/zyr/.m2/repository/org/glassfish/jersey/core/jersey-server/2.22.2/jersey-server-2.22.2.jar:/home/zyr/.m2/repository/org/glassfish/jersey/media/jersey-media-jaxb/2.22.2/jersey-media-jaxb-2.22.2.jar:/home/zyr/.m2/repository/javax/validation/validation-api/1.1.0.Final/validation-api-1.1.0.Final.jar:/home/zyr/.m2/repository/org/glassfish/jersey/containers/jersey-container-servlet/2.22.2/jersey-container-servlet-2.22.2.jar:/home/zyr/.m2/repository/org/glassfish/jersey/containers/jersey-container-servlet-core/2.22.2/jersey-container-servlet-core-2.22.2.jar:/home/zyr/.m2/repository/io/netty/netty-all/4.1.17.Final/netty-all-4.1.17.Final.jar:/home/zyr/.m2/repository/io/netty/netty/3.9.9.Final/netty-3.9.9.Final.jar:/home/zyr/.m2/repository/com/clearspring/analytics/stream/2.7.0/stream-2.7.0.jar:/home/zyr/.m2/repository/io/dropwizard/metrics/metrics-core/3.1.5/metrics-core-3.1.5.jar:/home/zyr/.m2/repository/io/dropwizard/metrics/metrics-jvm/3.1.5/metrics-jvm-3.1.5.jar:/home/zyr/.m2/repository/io/dropwizard/metrics/metrics-json/3.1.5/metrics-json-3.1.5.jar:/home/zyr/.m2/repository/io/dropwizard/metrics/metrics-graphite/3.1.5/metrics-graphite-3.1.5.jar:/home/zyr/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.6.7.1/jackson-databind-2.6.7.1.jar:/home/zyr/.m2/repository/com/fasterxml/jackson/module/jackson-module-scala_2.11/2.6.7.1/jackson-module-scala_2.11-2.6.7.1.jar:/home/zyr/.m2/repository/org/scala-lang/scala-reflect/2.11.8/scala-reflect-2.11.8.jar:/home/zyr/.m2/repository/com/fasterxml/jackson/module/jackson-module-paranamer/2.7.9/jackson-module-paranamer-2.7.9.jar:/home/zyr/.m2/repository/org/apache/ivy/ivy/2.4.0/ivy-2.4.0.jar:/home/zyr/.m2/repository/oro/oro/2.0.8/oro-2.0.8.jar:/home/zyr/.m2/repository/net/razorvine/pyrolite/4.13/pyrolite-4.13.jar:/home/zyr/.m2/repository/net/sf/py4j/py4j/0.10.7/py4j-0.10.7.jar:/home/zyr/.m2/repository/org/apache/commons/commons-crypto/1.0.0/commons-crypto-1.0.0.jar:/home/zyr/.m2/repository/org/apache/spark/spark-streaming_2.11/2.4.3/spark-streaming_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/apache/spark/spark-sql_2.11/2.4.3/spark-sql_2.11-2.4.3.jar:/home/zyr/.m2/repository/com/univocity/univocity-parsers/2.7.3/univocity-parsers-2.7.3.jar:/home/zyr/.m2/repository/org/apache/spark/spark-sketch_2.11/2.4.3/spark-sketch_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/apache/spark/spark-catalyst_2.11/2.4.3/spark-catalyst_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/codehaus/janino/janino/3.0.9/janino-3.0.9.jar:/home/zyr/.m2/repository/org/codehaus/janino/commons-compiler/3.0.9/commons-compiler-3.0.9.jar:/home/zyr/.m2/repository/org/antlr/antlr4-runtime/4.7/antlr4-runtime-4.7.jar:/home/zyr/.m2/repository/org/apache/orc/orc-core/1.5.5/orc-core-1.5.5-nohive.jar:/home/zyr/.m2/repository/org/apache/orc/orc-shims/1.5.5/orc-shims-1.5.5.jar:/home/zyr/.m2/repository/com/google/protobuf/protobuf-java/2.5.0/protobuf-java-2.5.0.jar:/home/zyr/.m2/repository/commons-lang/commons-lang/2.6/commons-lang-2.6.jar:/home/zyr/.m2/repository/io/airlift/aircompressor/0.10/aircompressor-0.10.jar:/home/zyr/.m2/repository/org/apache/orc/orc-mapreduce/1.5.5/orc-mapreduce-1.5.5-nohive.jar:/home/zyr/.m2/repository/org/apache/parquet/parquet-column/1.10.1/parquet-column-1.10.1.jar:/home/zyr/.m2/repository/org/apache/parquet/parquet-common/1.10.1/parquet-common-1.10.1.jar:/home/zyr/.m2/repository/org/apache/parquet/parquet-encoding/1.10.1/parquet-encoding-1.10.1.jar:/home/zyr/.m2/repository/org/apache/parquet/parquet-hadoop/1.10.1/parquet-hadoop-1.10.1.jar:/home/zyr/.m2/repository/org/apache/parquet/parquet-format/2.4.0/parquet-format-2.4.0.jar:/home/zyr/.m2/repository/org/apache/parquet/parquet-jackson/1.10.1/parquet-jackson-1.10.1.jar:/home/zyr/.m2/repository/org/apache/arrow/arrow-vector/0.10.0/arrow-vector-0.10.0.jar:/home/zyr/.m2/repository/org/apache/arrow/arrow-format/0.10.0/arrow-format-0.10.0.jar:/home/zyr/.m2/repository/org/apache/arrow/arrow-memory/0.10.0/arrow-memory-0.10.0.jar:/home/zyr/.m2/repository/joda-time/joda-time/2.9.9/joda-time-2.9.9.jar:/home/zyr/.m2/repository/com/carrotsearch/hppc/0.7.2/hppc-0.7.2.jar:/home/zyr/.m2/repository/com/vlkan/flatbuffers/1.2.0-3f79e055/flatbuffers-1.2.0-3f79e055.jar:/home/zyr/.m2/repository/org/apache/spark/spark-graphx_2.11/2.4.3/spark-graphx_2.11-2.4.3.jar:/home/zyr/.m2/repository/com/github/fommil/netlib/core/1.1.2/core-1.1.2.jar:/home/zyr/.m2/repository/net/sourceforge/f2j/arpack_combined_all/0.1/arpack_combined_all-0.1.jar:/home/zyr/.m2/repository/org/apache/spark/spark-mllib-local_2.11/2.4.3/spark-mllib-local_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/scalanlp/breeze_2.11/0.13.2/breeze_2.11-0.13.2.jar:/home/zyr/.m2/repository/org/scalanlp/breeze-macros_2.11/0.13.2/breeze-macros_2.11-0.13.2.jar:/home/zyr/.m2/repository/net/sf/opencsv/opencsv/2.3/opencsv-2.3.jar:/home/zyr/.m2/repository/com/github/rwl/jtransforms/2.4.0/jtransforms-2.4.0.jar:/home/zyr/.m2/repository/org/spire-math/spire_2.11/0.13.0/spire_2.11-0.13.0.jar:/home/zyr/.m2/repository/org/spire-math/spire-macros_2.11/0.13.0/spire-macros_2.11-0.13.0.jar:/home/zyr/.m2/repository/org/typelevel/machinist_2.11/0.6.1/machinist_2.11-0.6.1.jar:/home/zyr/.m2/repository/com/chuusai/shapeless_2.11/2.3.2/shapeless_2.11-2.3.2.jar:/home/zyr/.m2/repository/org/typelevel/macro-compat_2.11/1.1.1/macro-compat_2.11-1.1.1.jar:/home/zyr/.m2/repository/org/apache/commons/commons-math3/3.4.1/commons-math3-3.4.1.jar:/home/zyr/.m2/repository/org/apache/spark/spark-tags_2.11/2.4.3/spark-tags_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/spark-project/spark/unused/1.0.0/unused-1.0.0.jar com.kmeans.MyTest
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
19/07/10 11:36:47 WARN Utils: Your hostname, zyrpc resolves to a loopback address: 127.0.1.1; using 192.168.31.160 instead (on interface ens33)
19/07/10 11:36:47 WARN Utils: Set SPARK_LOCAL_IP if you need to bind to another address
19/07/10 11:36:47 INFO SparkContext: Running Spark version 2.4.3
19/07/10 11:36:49 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
19/07/10 11:36:50 INFO SparkContext: Submitted application: Simple Application
19/07/10 11:36:50 INFO SecurityManager: Changing view acls to: zyr
19/07/10 11:36:50 INFO SecurityManager: Changing modify acls to: zyr
19/07/10 11:36:50 INFO SecurityManager: Changing view acls groups to:
19/07/10 11:36:50 INFO SecurityManager: Changing modify acls groups to:
19/07/10 11:36:50 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(zyr); groups with view permissions: Set(); users with modify permissions: Set(zyr); groups with modify permissions: Set()
19/07/10 11:36:52 INFO Utils: Successfully started service 'sparkDriver' on port 41147.
19/07/10 11:36:52 INFO SparkEnv: Registering MapOutputTracker
19/07/10 11:36:52 INFO SparkEnv: Registering BlockManagerMaster
19/07/10 11:36:52 INFO BlockManagerMasterEndpoint: Using org.apache.spark.storage.DefaultTopologyMapper for getting topology information
19/07/10 11:36:52 INFO BlockManagerMasterEndpoint: BlockManagerMasterEndpoint up
19/07/10 11:36:52 INFO DiskBlockManager: Created local directory at /tmp/blockmgr-63b48034-1ffc-40fa-bb45-6c117cb0451b
19/07/10 11:36:52 INFO MemoryStore: MemoryStore started with capacity 345.0 MB
19/07/10 11:36:52 INFO SparkEnv: Registering OutputCommitCoordinator
19/07/10 11:36:53 INFO Utils: Successfully started service 'SparkUI' on port 4040.
19/07/10 11:36:53 INFO SparkUI: Bound SparkUI to 0.0.0.0, and started at http://192.168.31.160:4040
19/07/10 11:36:54 INFO Executor: Starting executor ID driver on host localhost
19/07/10 11:36:54 INFO Utils: Successfully started service 'org.apache.spark.network.netty.NettyBlockTransferService' on port 34263.
19/07/10 11:36:54 INFO NettyBlockTransferService: Server created on 192.168.31.160:34263
19/07/10 11:36:54 INFO BlockManager: Using org.apache.spark.storage.RandomBlockReplicationPolicy for block replication policy
19/07/10 11:36:54 INFO BlockManagerMaster: Registering BlockManager BlockManagerId(driver, 192.168.31.160, 34263, None)
19/07/10 11:36:54 INFO BlockManagerMasterEndpoint: Registering block manager 192.168.31.160:34263 with 345.0 MB RAM, BlockManagerId(driver, 192.168.31.160, 34263, None)
19/07/10 11:36:54 INFO BlockManagerMaster: Registered BlockManager BlockManagerId(driver, 192.168.31.160, 34263, None)
19/07/10 11:36:54 INFO BlockManager: Initialized BlockManager: BlockManagerId(driver, 192.168.31.160, 34263, None)
19/07/10 11:36:57 INFO MemoryStore: Block broadcast_0 stored as values in memory (estimated size 214.6 KB, free 344.8 MB)
19/07/10 11:36:57 INFO MemoryStore: Block broadcast_0_piece0 stored as bytes in memory (estimated size 20.4 KB, free 344.8 MB)
19/07/10 11:36:57 INFO BlockManagerInfo: Added broadcast_0_piece0 in memory on 192.168.31.160:34263 (size: 20.4 KB, free: 345.0 MB)
19/07/10 11:36:57 INFO SparkContext: Created broadcast 0 from textFile at MyTest.scala:11
19/07/10 11:36:58 INFO FileInputFormat: Total input paths to process : 1
19/07/10 11:36:58 INFO SparkContext: Starting job: count at MyTest.scala:12
19/07/10 11:36:58 INFO DAGScheduler: Got job 0 (count at MyTest.scala:12) with 2 output partitions
19/07/10 11:36:58 INFO DAGScheduler: Final stage: ResultStage 0 (count at MyTest.scala:12)
19/07/10 11:36:58 INFO DAGScheduler: Parents of final stage: List()
19/07/10 11:36:58 INFO DAGScheduler: Missing parents: List()
19/07/10 11:36:58 INFO DAGScheduler: Submitting ResultStage 0 (MapPartitionsRDD[3] at filter at MyTest.scala:12), which has no missing parents
19/07/10 11:36:58 INFO MemoryStore: Block broadcast_1 stored as values in memory (estimated size 3.7 KB, free 344.8 MB)
19/07/10 11:36:58 INFO MemoryStore: Block broadcast_1_piece0 stored as bytes in memory (estimated size 2.1 KB, free 344.8 MB)
19/07/10 11:36:58 INFO BlockManagerInfo: Added broadcast_1_piece0 in memory on 192.168.31.160:34263 (size: 2.1 KB, free: 345.0 MB)
19/07/10 11:36:58 INFO SparkContext: Created broadcast 1 from broadcast at DAGScheduler.scala:1161
19/07/10 11:36:58 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 0 (MapPartitionsRDD[3] at filter at MyTest.scala:12) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:36:58 INFO TaskSchedulerImpl: Adding task set 0.0 with 2 tasks
19/07/10 11:36:58 INFO TaskSetManager: Starting task 0.0 in stage 0.0 (TID 0, localhost, executor driver, partition 0, PROCESS_LOCAL, 7883 bytes)
19/07/10 11:36:58 INFO TaskSetManager: Starting task 1.0 in stage 0.0 (TID 1, localhost, executor driver, partition 1, PROCESS_LOCAL, 7883 bytes)
19/07/10 11:36:58 INFO Executor: Running task 0.0 in stage 0.0 (TID 0)
19/07/10 11:36:58 INFO Executor: Running task 1.0 in stage 0.0 (TID 1)
19/07/10 11:36:59 INFO HadoopRDD: Input split: file:/home/zyr/file.txt:0+29
19/07/10 11:36:59 INFO HadoopRDD: Input split: file:/home/zyr/file.txt:29+29
19/07/10 11:36:59 INFO MemoryStore: Block rdd_1_0 stored as values in memory (estimated size 192.0 B, free 344.8 MB)
19/07/10 11:36:59 INFO MemoryStore: Block rdd_1_1 stored as values in memory (estimated size 96.0 B, free 344.8 MB)
19/07/10 11:36:59 INFO BlockManagerInfo: Added rdd_1_1 in memory on 192.168.31.160:34263 (size: 96.0 B, free: 345.0 MB)
19/07/10 11:36:59 INFO BlockManagerInfo: Added rdd_1_0 in memory on 192.168.31.160:34263 (size: 192.0 B, free: 345.0 MB)
19/07/10 11:36:59 INFO Executor: Finished task 0.0 in stage 0.0 (TID 0). 875 bytes result sent to driver
19/07/10 11:36:59 INFO Executor: Finished task 1.0 in stage 0.0 (TID 1). 875 bytes result sent to driver
19/07/10 11:36:59 INFO TaskSetManager: Finished task 0.0 in stage 0.0 (TID 0) in 635 ms on localhost (executor driver) (1/2)
19/07/10 11:36:59 INFO TaskSetManager: Finished task 1.0 in stage 0.0 (TID 1) in 593 ms on localhost (executor driver) (2/2)
19/07/10 11:36:59 INFO TaskSchedulerImpl: Removed TaskSet 0.0, whose tasks have all completed, from pool
19/07/10 11:36:59 INFO DAGScheduler: ResultStage 0 (count at MyTest.scala:12) finished in 1.203 s
19/07/10 11:36:59 INFO DAGScheduler: Job 0 finished: count at MyTest.scala:12, took 1.438576 s
Words with a : 11
19/07/10 11:36:59 INFO SparkUI: Stopped Spark web UI at http://192.168.31.160:4040
19/07/10 11:36:59 INFO MapOutputTrackerMasterEndpoint: MapOutputTrackerMasterEndpoint stopped!
19/07/10 11:36:59 INFO MemoryStore: MemoryStore cleared
19/07/10 11:36:59 INFO BlockManager: BlockManager stopped
19/07/10 11:36:59 INFO BlockManagerMaster: BlockManagerMaster stopped
19/07/10 11:36:59 INFO OutputCommitCoordinator$OutputCommitCoordinatorEndpoint: OutputCommitCoordinator stopped!
19/07/10 11:36:59 INFO SparkContext: Successfully stopped SparkContext
19/07/10 11:36:59 INFO ShutdownHookManager: Shutdown hook called
19/07/10 11:36:59 INFO ShutdownHookManager: Deleting directory /tmp/spark-e07b1de0-0ac0-4abe-952a-504c2c7282fd Process finished with exit code 0

package com.kmeans import org.apache.spark.mllib.clustering.KMeans
import org.apache.spark.mllib.linalg.Vectors
import org.apache.spark.{SparkConf, SparkContext} /**
Scala版K近邻算法获取三维空间点中数据的归属
* ****************
* 测试数据(x,y,z) *
* ***************
* 0.0 0.0 0.0
* 0.1 0.1 0.1
* 0.2 0.2 0.2
* 9.0 9.0 9.0
* 9.1 9.1 9.1
* 9.2 9.2 9.2
*/
object Kmeans {
def main(args: Array[String]): Unit = { val conf = new SparkConf().setAppName("Simple Application").setMaster("local[2]")
val context=new SparkContext(conf)
val dataSourceRDD = context.textFile("file:///home/zyr/kmeanstest.txt").cache()
val trainRDD = dataSourceRDD.map(lines => Vectors.dense(lines.split(" ").map(_.toDouble)))
// trainRDD.foreach(trainRow => println(trainRow)
// trainRDD.foreach(println)
// 训练数据得到模型
// 参数一：训练数据（Vectors类型的RDD）
// 参数二：中心簇数量 0 ~ n
// 参数三：代次数
val model = KMeans.train(trainRDD, 3, 30) // 获取数据模型的中心点
val clustercenters = model.clusterCenters // 打印数据模型的中心点
clustercenters.foreach(println) //计算误差
val cross = model.computeCost(trainRDD)
println("误差为：" + cross) // 使用模型匹配测试数据获取预测结果
val res1 = model.predict(Vectors.dense("0.2 0.2 0.2".split(' ').map(_.toDouble)))
val res2 = model.predict(Vectors.dense("0.25 0.25 0.25".split(' ').map(_.toDouble)))
val res3 = model.predict(Vectors.dense("0.1 0.1 0.1".split(' ').map(_.toDouble)))
val res4 = model.predict(Vectors.dense("9 9 9".split(' ').map(_.toDouble)))
val res5 = model.predict(Vectors.dense("9.1 9.1 9.1".split(' ').map(_.toDouble)))
val res6 = model.predict(Vectors.dense("9.06 9.06 9.06".split(' ').map(_.toDouble)))
// println("预测结果为：\r\n" + res1 + "\r\n" + res2 + "\r\n" + res3 + "\r\n" + res4 + "\r\n" + res5 + "\r\n" + res6)
/**
* 这是三个中心点
* [9.1,9.1,9.1]
* [0.05,0.05,0.05]
* [0.2,0.2,0.2]
* 以下为类簇值
* 2
* 2
* 1
* 0
* 0
* 0
* 此处结果可以看出输入数据与中心点更靠近的话就属于哪一个簇
*/
// 使用原数据进行交叉评估预测
val crossPredictRes = dataSourceRDD.map{
lines =>
val lineVectors = Vectors.dense(lines.split(" ").map(_.toDouble))
val predictRes = model.predict(lineVectors)
lineVectors + "==>" + predictRes
}
crossPredictRes.foreach(println) /**
* [9.0,9.0,9.0]==>0
* [9.1,9.1,9.1]==>0
* [9.2,9.2,9.2]==>0
* [0.0,0.0,0.0]==>1
* [0.1,0.1,0.1]==>1
* [0.2,0.2,0.2]==>2
*
*/
}
}

0.0 0.0 0.0
0.1 0.1 0.1
0.2 0.2 0.2
9.0 9.0 9.0
9.1 9.1 9.1
9.2 9.2 9.2

/usr/lib/jvm/java-8-openjdk-amd64/bin/java -javaagent:/usr/local/idea/lib/idea_rt.jar=34781:/usr/local/idea/bin -Dfile.encoding=UTF-8 -classpath 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ry/org/scalanlp/breeze-macros_2.11/0.13.2/breeze-macros_2.11-0.13.2.jar:/home/zyr/.m2/repository/net/sf/opencsv/opencsv/2.3/opencsv-2.3.jar:/home/zyr/.m2/repository/com/github/rwl/jtransforms/2.4.0/jtransforms-2.4.0.jar:/home/zyr/.m2/repository/org/spire-math/spire_2.11/0.13.0/spire_2.11-0.13.0.jar:/home/zyr/.m2/repository/org/spire-math/spire-macros_2.11/0.13.0/spire-macros_2.11-0.13.0.jar:/home/zyr/.m2/repository/org/typelevel/machinist_2.11/0.6.1/machinist_2.11-0.6.1.jar:/home/zyr/.m2/repository/com/chuusai/shapeless_2.11/2.3.2/shapeless_2.11-2.3.2.jar:/home/zyr/.m2/repository/org/typelevel/macro-compat_2.11/1.1.1/macro-compat_2.11-1.1.1.jar:/home/zyr/.m2/repository/org/apache/commons/commons-math3/3.4.1/commons-math3-3.4.1.jar:/home/zyr/.m2/repository/org/apache/spark/spark-tags_2.11/2.4.3/spark-tags_2.11-2.4.3.jar:/home/zyr/.m2/repository/org/spark-project/spark/unused/1.0.0/unused-1.0.0.jar com.kmeans.Kmeans
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
19/07/10 11:40:11 WARN Utils: Your hostname, zyrpc resolves to a loopback address: 127.0.1.1; using 192.168.31.160 instead (on interface ens33)
19/07/10 11:40:11 WARN Utils: Set SPARK_LOCAL_IP if you need to bind to another address
19/07/10 11:40:11 INFO SparkContext: Running Spark version 2.4.3
19/07/10 11:40:13 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
19/07/10 11:40:14 INFO SparkContext: Submitted application: Simple Application
19/07/10 11:40:15 INFO SecurityManager: Changing view acls to: zyr
19/07/10 11:40:15 INFO SecurityManager: Changing modify acls to: zyr
19/07/10 11:40:15 INFO SecurityManager: Changing view acls groups to:
19/07/10 11:40:15 INFO SecurityManager: Changing modify acls groups to:
19/07/10 11:40:15 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(zyr); groups with view permissions: Set(); users with modify permissions: Set(zyr); groups with modify permissions: Set()
19/07/10 11:40:17 INFO Utils: Successfully started service 'sparkDriver' on port 45437.
19/07/10 11:40:17 INFO SparkEnv: Registering MapOutputTracker
19/07/10 11:40:18 INFO SparkEnv: Registering BlockManagerMaster
19/07/10 11:40:18 INFO BlockManagerMasterEndpoint: Using org.apache.spark.storage.DefaultTopologyMapper for getting topology information
19/07/10 11:40:18 INFO BlockManagerMasterEndpoint: BlockManagerMasterEndpoint up
19/07/10 11:40:18 INFO DiskBlockManager: Created local directory at /tmp/blockmgr-2d502b3d-b275-49f2-9660-e1310680f61d
19/07/10 11:40:18 INFO MemoryStore: MemoryStore started with capacity 345.0 MB
19/07/10 11:40:18 INFO SparkEnv: Registering OutputCommitCoordinator
19/07/10 11:40:20 INFO Utils: Successfully started service 'SparkUI' on port 4040.
19/07/10 11:40:20 INFO SparkUI: Bound SparkUI to 0.0.0.0, and started at http://192.168.31.160:4040
19/07/10 11:40:21 INFO Executor: Starting executor ID driver on host localhost
19/07/10 11:40:22 INFO Utils: Successfully started service 'org.apache.spark.network.netty.NettyBlockTransferService' on port 44595.
19/07/10 11:40:22 INFO NettyBlockTransferService: Server created on 192.168.31.160:44595
19/07/10 11:40:22 INFO BlockManager: Using org.apache.spark.storage.RandomBlockReplicationPolicy for block replication policy
19/07/10 11:40:22 INFO BlockManagerMaster: Registering BlockManager BlockManagerId(driver, 192.168.31.160, 44595, None)
19/07/10 11:40:23 INFO BlockManagerMasterEndpoint: Registering block manager 192.168.31.160:44595 with 345.0 MB RAM, BlockManagerId(driver, 192.168.31.160, 44595, None)
19/07/10 11:40:23 INFO BlockManagerMaster: Registered BlockManager BlockManagerId(driver, 192.168.31.160, 44595, None)
19/07/10 11:40:23 INFO BlockManager: Initialized BlockManager: BlockManagerId(driver, 192.168.31.160, 44595, None)
19/07/10 11:40:25 INFO MemoryStore: Block broadcast_0 stored as values in memory (estimated size 214.6 KB, free 344.8 MB)
19/07/10 11:40:26 INFO MemoryStore: Block broadcast_0_piece0 stored as bytes in memory (estimated size 20.4 KB, free 344.8 MB)
19/07/10 11:40:26 INFO BlockManagerInfo: Added broadcast_0_piece0 in memory on 192.168.31.160:44595 (size: 20.4 KB, free: 345.0 MB)
19/07/10 11:40:26 INFO SparkContext: Created broadcast 0 from textFile at Kmeans.scala:25
19/07/10 11:40:26 WARN KMeans: The input data is not directly cached, which may hurt performance if its parent RDDs are also uncached.
19/07/10 11:40:26 INFO FileInputFormat: Total input paths to process : 1
19/07/10 11:40:26 INFO SparkContext: Starting job: takeSample at KMeans.scala:386
19/07/10 11:40:26 INFO DAGScheduler: Got job 0 (takeSample at KMeans.scala:386) with 2 output partitions
19/07/10 11:40:26 INFO DAGScheduler: Final stage: ResultStage 0 (takeSample at KMeans.scala:386)
19/07/10 11:40:26 INFO DAGScheduler: Parents of final stage: List()
19/07/10 11:40:26 INFO DAGScheduler: Missing parents: List()
19/07/10 11:40:26 INFO DAGScheduler: Submitting ResultStage 0 (MapPartitionsRDD[5] at map at KMeans.scala:248), which has no missing parents
19/07/10 11:40:27 INFO MemoryStore: Block broadcast_1 stored as values in memory (estimated size 4.3 KB, free 344.8 MB)
19/07/10 11:40:27 INFO MemoryStore: Block broadcast_1_piece0 stored as bytes in memory (estimated size 2.5 KB, free 344.8 MB)
19/07/10 11:40:27 INFO BlockManagerInfo: Added broadcast_1_piece0 in memory on 192.168.31.160:44595 (size: 2.5 KB, free: 345.0 MB)
19/07/10 11:40:27 INFO SparkContext: Created broadcast 1 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:27 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 0 (MapPartitionsRDD[5] at map at KMeans.scala:248) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:27 INFO TaskSchedulerImpl: Adding task set 0.0 with 2 tasks
19/07/10 11:40:27 INFO TaskSetManager: Starting task 0.0 in stage 0.0 (TID 0, localhost, executor driver, partition 0, PROCESS_LOCAL, 8200 bytes)
19/07/10 11:40:27 INFO TaskSetManager: Starting task 1.0 in stage 0.0 (TID 1, localhost, executor driver, partition 1, PROCESS_LOCAL, 8200 bytes)
19/07/10 11:40:27 INFO Executor: Running task 1.0 in stage 0.0 (TID 1)
19/07/10 11:40:27 INFO Executor: Running task 0.0 in stage 0.0 (TID 0)
19/07/10 11:40:28 INFO HadoopRDD: Input split: file:/home/zyr/kmeanstest.txt:36+36
19/07/10 11:40:28 INFO HadoopRDD: Input split: file:/home/zyr/kmeanstest.txt:0+36
19/07/10 11:40:28 INFO MemoryStore: Block rdd_1_0 stored as values in memory (estimated size 288.0 B, free 344.8 MB)
19/07/10 11:40:28 INFO MemoryStore: Block rdd_1_1 stored as values in memory (estimated size 152.0 B, free 344.8 MB)
19/07/10 11:40:28 INFO BlockManagerInfo: Added rdd_1_0 in memory on 192.168.31.160:44595 (size: 288.0 B, free: 345.0 MB)
19/07/10 11:40:28 INFO BlockManagerInfo: Added rdd_1_1 in memory on 192.168.31.160:44595 (size: 152.0 B, free: 345.0 MB)
19/07/10 11:40:28 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:28 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:28 INFO MemoryStore: Block rdd_3_0 stored as values in memory (estimated size 48.0 B, free 344.8 MB)
19/07/10 11:40:28 INFO BlockManagerInfo: Added rdd_3_0 in memory on 192.168.31.160:44595 (size: 48.0 B, free: 345.0 MB)
19/07/10 11:40:28 INFO MemoryStore: Block rdd_3_1 stored as values in memory (estimated size 32.0 B, free 344.8 MB)
19/07/10 11:40:28 INFO BlockManagerInfo: Added rdd_3_1 in memory on 192.168.31.160:44595 (size: 32.0 B, free: 345.0 MB)
19/07/10 11:40:28 INFO Executor: Finished task 1.0 in stage 0.0 (TID 1). 875 bytes result sent to driver
19/07/10 11:40:28 INFO Executor: Finished task 0.0 in stage 0.0 (TID 0). 875 bytes result sent to driver
19/07/10 11:40:28 INFO TaskSetManager: Finished task 1.0 in stage 0.0 (TID 1) in 837 ms on localhost (executor driver) (1/2)
19/07/10 11:40:28 INFO TaskSetManager: Finished task 0.0 in stage 0.0 (TID 0) in 942 ms on localhost (executor driver) (2/2)
19/07/10 11:40:28 INFO TaskSchedulerImpl: Removed TaskSet 0.0, whose tasks have all completed, from pool
19/07/10 11:40:28 INFO DAGScheduler: ResultStage 0 (takeSample at KMeans.scala:386) finished in 1.635 s
19/07/10 11:40:28 INFO DAGScheduler: Job 0 finished: takeSample at KMeans.scala:386, took 1.961204 s
19/07/10 11:40:28 INFO SparkContext: Starting job: takeSample at KMeans.scala:386
19/07/10 11:40:28 INFO DAGScheduler: Got job 1 (takeSample at KMeans.scala:386) with 2 output partitions
19/07/10 11:40:28 INFO DAGScheduler: Final stage: ResultStage 1 (takeSample at KMeans.scala:386)
19/07/10 11:40:28 INFO DAGScheduler: Parents of final stage: List()
19/07/10 11:40:28 INFO DAGScheduler: Missing parents: List()
19/07/10 11:40:28 INFO DAGScheduler: Submitting ResultStage 1 (PartitionwiseSampledRDD[7] at takeSample at KMeans.scala:386), which has no missing parents
19/07/10 11:40:28 INFO MemoryStore: Block broadcast_2 stored as values in memory (estimated size 5.1 KB, free 344.8 MB)
19/07/10 11:40:28 INFO MemoryStore: Block broadcast_2_piece0 stored as bytes in memory (estimated size 2.9 KB, free 344.8 MB)
19/07/10 11:40:28 INFO BlockManagerInfo: Added broadcast_2_piece0 in memory on 192.168.31.160:44595 (size: 2.9 KB, free: 345.0 MB)
19/07/10 11:40:28 INFO SparkContext: Created broadcast 2 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:28 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 1 (PartitionwiseSampledRDD[7] at takeSample at KMeans.scala:386) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:28 INFO TaskSchedulerImpl: Adding task set 1.0 with 2 tasks
19/07/10 11:40:28 INFO TaskSetManager: Starting task 0.0 in stage 1.0 (TID 2, localhost, executor driver, partition 0, PROCESS_LOCAL, 8309 bytes)
19/07/10 11:40:28 INFO TaskSetManager: Starting task 1.0 in stage 1.0 (TID 3, localhost, executor driver, partition 1, PROCESS_LOCAL, 8309 bytes)
19/07/10 11:40:28 INFO Executor: Running task 0.0 in stage 1.0 (TID 2)
19/07/10 11:40:28 INFO Executor: Running task 1.0 in stage 1.0 (TID 3)
19/07/10 11:40:28 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:28 INFO BlockManager: Found block rdd_3_0 locally
19/07/10 11:40:28 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:28 INFO BlockManager: Found block rdd_3_1 locally
19/07/10 11:40:28 INFO Executor: Finished task 0.0 in stage 1.0 (TID 2). 1283 bytes result sent to driver
19/07/10 11:40:28 INFO Executor: Finished task 1.0 in stage 1.0 (TID 3). 1175 bytes result sent to driver
19/07/10 11:40:28 INFO TaskSetManager: Finished task 0.0 in stage 1.0 (TID 2) in 92 ms on localhost (executor driver) (1/2)
19/07/10 11:40:28 INFO TaskSetManager: Finished task 1.0 in stage 1.0 (TID 3) in 96 ms on localhost (executor driver) (2/2)
19/07/10 11:40:28 INFO TaskSchedulerImpl: Removed TaskSet 1.0, whose tasks have all completed, from pool
19/07/10 11:40:28 INFO DAGScheduler: ResultStage 1 (takeSample at KMeans.scala:386) finished in 0.132 s
19/07/10 11:40:28 INFO DAGScheduler: Job 1 finished: takeSample at KMeans.scala:386, took 0.153980 s
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_3 stored as values in memory (estimated size 144.0 B, free 344.8 MB)
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_3_piece0 stored as bytes in memory (estimated size 344.0 B, free 344.8 MB)
19/07/10 11:40:29 INFO BlockManagerInfo: Added broadcast_3_piece0 in memory on 192.168.31.160:44595 (size: 344.0 B, free: 345.0 MB)
19/07/10 11:40:29 INFO SparkContext: Created broadcast 3 from broadcast at KMeans.scala:400
19/07/10 11:40:29 INFO SparkContext: Starting job: sum at KMeans.scala:406
19/07/10 11:40:29 INFO DAGScheduler: Got job 2 (sum at KMeans.scala:406) with 2 output partitions
19/07/10 11:40:29 INFO DAGScheduler: Final stage: ResultStage 2 (sum at KMeans.scala:406)
19/07/10 11:40:29 INFO DAGScheduler: Parents of final stage: List()
19/07/10 11:40:29 INFO DAGScheduler: Missing parents: List()
19/07/10 11:40:29 INFO DAGScheduler: Submitting ResultStage 2 (MapPartitionsRDD[9] at map at KMeans.scala:403), which has no missing parents
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_4 stored as values in memory (estimated size 5.4 KB, free 344.7 MB)
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_4_piece0 stored as bytes in memory (estimated size 3.0 KB, free 344.7 MB)
19/07/10 11:40:29 INFO BlockManagerInfo: Added broadcast_4_piece0 in memory on 192.168.31.160:44595 (size: 3.0 KB, free: 345.0 MB)
19/07/10 11:40:29 INFO SparkContext: Created broadcast 4 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:29 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 2 (MapPartitionsRDD[9] at map at KMeans.scala:403) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:29 INFO TaskSchedulerImpl: Adding task set 2.0 with 2 tasks
19/07/10 11:40:29 INFO TaskSetManager: Starting task 0.0 in stage 2.0 (TID 4, localhost, executor driver, partition 0, PROCESS_LOCAL, 8232 bytes)
19/07/10 11:40:29 INFO TaskSetManager: Starting task 1.0 in stage 2.0 (TID 5, localhost, executor driver, partition 1, PROCESS_LOCAL, 8232 bytes)
19/07/10 11:40:29 INFO Executor: Running task 0.0 in stage 2.0 (TID 4)
19/07/10 11:40:29 INFO Executor: Running task 1.0 in stage 2.0 (TID 5)
19/07/10 11:40:29 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_3_0 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_3_0 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_3_1 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_3_1 locally
19/07/10 11:40:29 WARN BLAS: Failed to load implementation from: com.github.fommil.netlib.NativeSystemBLAS
19/07/10 11:40:29 WARN BLAS: Failed to load implementation from: com.github.fommil.netlib.NativeRefBLAS
19/07/10 11:40:29 INFO MemoryStore: Block rdd_9_1 stored as values in memory (estimated size 32.0 B, free 344.7 MB)
19/07/10 11:40:29 INFO BlockManagerInfo: Added rdd_9_1 in memory on 192.168.31.160:44595 (size: 32.0 B, free: 345.0 MB)
19/07/10 11:40:29 INFO Executor: Finished task 1.0 in stage 2.0 (TID 5). 834 bytes result sent to driver
19/07/10 11:40:29 INFO TaskSetManager: Finished task 1.0 in stage 2.0 (TID 5) in 149 ms on localhost (executor driver) (1/2)
19/07/10 11:40:29 INFO MemoryStore: Block rdd_9_0 stored as values in memory (estimated size 48.0 B, free 344.7 MB)
19/07/10 11:40:29 INFO BlockManagerInfo: Added rdd_9_0 in memory on 192.168.31.160:44595 (size: 48.0 B, free: 345.0 MB)
19/07/10 11:40:29 INFO Executor: Finished task 0.0 in stage 2.0 (TID 4). 834 bytes result sent to driver
19/07/10 11:40:29 INFO TaskSetManager: Finished task 0.0 in stage 2.0 (TID 4) in 168 ms on localhost (executor driver) (2/2)
19/07/10 11:40:29 INFO TaskSchedulerImpl: Removed TaskSet 2.0, whose tasks have all completed, from pool
19/07/10 11:40:29 INFO DAGScheduler: ResultStage 2 (sum at KMeans.scala:406) finished in 0.199 s
19/07/10 11:40:29 INFO DAGScheduler: Job 2 finished: sum at KMeans.scala:406, took 0.221468 s
19/07/10 11:40:29 INFO MapPartitionsRDD: Removing RDD 6 from persistence list
19/07/10 11:40:29 INFO BlockManager: Removing RDD 6
19/07/10 11:40:29 INFO SparkContext: Starting job: collect at KMeans.scala:414
19/07/10 11:40:29 INFO DAGScheduler: Got job 3 (collect at KMeans.scala:414) with 2 output partitions
19/07/10 11:40:29 INFO DAGScheduler: Final stage: ResultStage 3 (collect at KMeans.scala:414)
19/07/10 11:40:29 INFO DAGScheduler: Parents of final stage: List()
19/07/10 11:40:29 INFO DAGScheduler: Missing parents: List()
19/07/10 11:40:29 INFO DAGScheduler: Submitting ResultStage 3 (MapPartitionsRDD[11] at mapPartitionsWithIndex at KMeans.scala:411), which has no missing parents
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_5 stored as values in memory (estimated size 6.1 KB, free 344.7 MB)
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_5_piece0 stored as bytes in memory (estimated size 3.3 KB, free 344.7 MB)
19/07/10 11:40:29 INFO BlockManagerInfo: Added broadcast_5_piece0 in memory on 192.168.31.160:44595 (size: 3.3 KB, free: 345.0 MB)
19/07/10 11:40:29 INFO SparkContext: Created broadcast 5 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:29 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 3 (MapPartitionsRDD[11] at mapPartitionsWithIndex at KMeans.scala:411) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:29 INFO TaskSchedulerImpl: Adding task set 3.0 with 2 tasks
19/07/10 11:40:29 INFO TaskSetManager: Starting task 0.0 in stage 3.0 (TID 6, localhost, executor driver, partition 0, PROCESS_LOCAL, 8264 bytes)
19/07/10 11:40:29 INFO TaskSetManager: Starting task 1.0 in stage 3.0 (TID 7, localhost, executor driver, partition 1, PROCESS_LOCAL, 8264 bytes)
19/07/10 11:40:29 INFO Executor: Running task 0.0 in stage 3.0 (TID 6)
19/07/10 11:40:29 INFO Executor: Running task 1.0 in stage 3.0 (TID 7)
19/07/10 11:40:29 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_3_0 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_9_0 locally
19/07/10 11:40:29 INFO Executor: Finished task 0.0 in stage 3.0 (TID 6). 1078 bytes result sent to driver
19/07/10 11:40:29 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:29 INFO TaskSetManager: Finished task 0.0 in stage 3.0 (TID 6) in 21 ms on localhost (executor driver) (1/2)
19/07/10 11:40:29 INFO BlockManager: Found block rdd_3_1 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_9_1 locally
19/07/10 11:40:29 INFO Executor: Finished task 1.0 in stage 3.0 (TID 7). 1132 bytes result sent to driver
19/07/10 11:40:29 INFO TaskSetManager: Finished task 1.0 in stage 3.0 (TID 7) in 31 ms on localhost (executor driver) (2/2)
19/07/10 11:40:29 INFO TaskSchedulerImpl: Removed TaskSet 3.0, whose tasks have all completed, from pool
19/07/10 11:40:29 INFO DAGScheduler: ResultStage 3 (collect at KMeans.scala:414) finished in 0.061 s
19/07/10 11:40:29 INFO DAGScheduler: Job 3 finished: collect at KMeans.scala:414, took 0.084564 s
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_6 stored as values in memory (estimated size 320.0 B, free 344.7 MB)
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_6_piece0 stored as bytes in memory (estimated size 426.0 B, free 344.7 MB)
19/07/10 11:40:29 INFO BlockManagerInfo: Added broadcast_6_piece0 in memory on 192.168.31.160:44595 (size: 426.0 B, free: 345.0 MB)
19/07/10 11:40:29 INFO SparkContext: Created broadcast 6 from broadcast at KMeans.scala:400
19/07/10 11:40:29 INFO SparkContext: Starting job: sum at KMeans.scala:406
19/07/10 11:40:29 INFO DAGScheduler: Got job 4 (sum at KMeans.scala:406) with 2 output partitions
19/07/10 11:40:29 INFO DAGScheduler: Final stage: ResultStage 4 (sum at KMeans.scala:406)
19/07/10 11:40:29 INFO DAGScheduler: Parents of final stage: List()
19/07/10 11:40:29 INFO DAGScheduler: Missing parents: List()
19/07/10 11:40:29 INFO DAGScheduler: Submitting ResultStage 4 (MapPartitionsRDD[13] at map at KMeans.scala:403), which has no missing parents
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_7 stored as values in memory (estimated size 5.7 KB, free 344.7 MB)
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_7_piece0 stored as bytes in memory (estimated size 3.1 KB, free 344.7 MB)
19/07/10 11:40:29 INFO BlockManagerInfo: Added broadcast_7_piece0 in memory on 192.168.31.160:44595 (size: 3.1 KB, free: 345.0 MB)
19/07/10 11:40:29 INFO SparkContext: Created broadcast 7 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:29 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 4 (MapPartitionsRDD[13] at map at KMeans.scala:403) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:29 INFO TaskSchedulerImpl: Adding task set 4.0 with 2 tasks
19/07/10 11:40:29 INFO TaskSetManager: Starting task 0.0 in stage 4.0 (TID 8, localhost, executor driver, partition 0, PROCESS_LOCAL, 8264 bytes)
19/07/10 11:40:29 INFO TaskSetManager: Starting task 1.0 in stage 4.0 (TID 9, localhost, executor driver, partition 1, PROCESS_LOCAL, 8264 bytes)
19/07/10 11:40:29 INFO Executor: Running task 0.0 in stage 4.0 (TID 8)
19/07/10 11:40:29 INFO Executor: Running task 1.0 in stage 4.0 (TID 9)
19/07/10 11:40:29 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_3_1 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_9_1 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_3_0 locally
19/07/10 11:40:29 INFO BlockManager: Found block rdd_9_0 locally
19/07/10 11:40:29 INFO MemoryStore: Block rdd_13_1 stored as values in memory (estimated size 32.0 B, free 344.7 MB)
19/07/10 11:40:29 INFO BlockManagerInfo: Added rdd_13_1 in memory on 192.168.31.160:44595 (size: 32.0 B, free: 345.0 MB)
19/07/10 11:40:29 INFO MemoryStore: Block rdd_13_0 stored as values in memory (estimated size 48.0 B, free 344.7 MB)
19/07/10 11:40:29 INFO Executor: Finished task 1.0 in stage 4.0 (TID 9). 834 bytes result sent to driver
19/07/10 11:40:29 INFO TaskSetManager: Finished task 1.0 in stage 4.0 (TID 9) in 64 ms on localhost (executor driver) (1/2)
19/07/10 11:40:29 INFO BlockManagerInfo: Added rdd_13_0 in memory on 192.168.31.160:44595 (size: 48.0 B, free: 345.0 MB)
19/07/10 11:40:29 INFO Executor: Finished task 0.0 in stage 4.0 (TID 8). 834 bytes result sent to driver
19/07/10 11:40:29 INFO TaskSetManager: Finished task 0.0 in stage 4.0 (TID 8) in 75 ms on localhost (executor driver) (2/2)
19/07/10 11:40:29 INFO TaskSchedulerImpl: Removed TaskSet 4.0, whose tasks have all completed, from pool
19/07/10 11:40:29 INFO DAGScheduler: ResultStage 4 (sum at KMeans.scala:406) finished in 0.108 s
19/07/10 11:40:29 INFO DAGScheduler: Job 4 finished: sum at KMeans.scala:406, took 0.129273 s
19/07/10 11:40:29 INFO MapPartitionsRDD: Removing RDD 9 from persistence list
19/07/10 11:40:29 INFO BlockManager: Removing RDD 9
19/07/10 11:40:29 INFO SparkContext: Starting job: collect at KMeans.scala:414
19/07/10 11:40:29 INFO DAGScheduler: Got job 5 (collect at KMeans.scala:414) with 2 output partitions
19/07/10 11:40:29 INFO DAGScheduler: Final stage: ResultStage 5 (collect at KMeans.scala:414)
19/07/10 11:40:29 INFO DAGScheduler: Parents of final stage: List()
19/07/10 11:40:29 INFO DAGScheduler: Missing parents: List()
19/07/10 11:40:29 INFO DAGScheduler: Submitting ResultStage 5 (MapPartitionsRDD[15] at mapPartitionsWithIndex at KMeans.scala:411), which has no missing parents
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_8 stored as values in memory (estimated size 6.4 KB, free 344.7 MB)
19/07/10 11:40:29 INFO MemoryStore: Block broadcast_8_piece0 stored as bytes in memory (estimated size 3.4 KB, free 344.7 MB)
19/07/10 11:40:29 INFO BlockManagerInfo: Added broadcast_8_piece0 in memory on 192.168.31.160:44595 (size: 3.4 KB, free: 345.0 MB)
19/07/10 11:40:30 INFO SparkContext: Created broadcast 8 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:30 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 5 (MapPartitionsRDD[15] at mapPartitionsWithIndex at KMeans.scala:411) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:30 INFO TaskSchedulerImpl: Adding task set 5.0 with 2 tasks
19/07/10 11:40:30 INFO TaskSetManager: Starting task 0.0 in stage 5.0 (TID 10, localhost, executor driver, partition 0, PROCESS_LOCAL, 8296 bytes)
19/07/10 11:40:30 INFO TaskSetManager: Starting task 1.0 in stage 5.0 (TID 11, localhost, executor driver, partition 1, PROCESS_LOCAL, 8296 bytes)
19/07/10 11:40:30 INFO Executor: Running task 0.0 in stage 5.0 (TID 10)
19/07/10 11:40:30 INFO Executor: Running task 1.0 in stage 5.0 (TID 11)
19/07/10 11:40:30 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:30 INFO BlockManager: Found block rdd_3_1 locally
19/07/10 11:40:30 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:30 INFO BlockManager: Found block rdd_3_0 locally
19/07/10 11:40:30 INFO BlockManager: Found block rdd_13_0 locally
19/07/10 11:40:30 INFO Executor: Finished task 0.0 in stage 5.0 (TID 10). 1132 bytes result sent to driver
19/07/10 11:40:30 INFO BlockManager: Found block rdd_13_1 locally
19/07/10 11:40:30 INFO Executor: Finished task 1.0 in stage 5.0 (TID 11). 826 bytes result sent to driver
19/07/10 11:40:30 INFO TaskSetManager: Finished task 0.0 in stage 5.0 (TID 10) in 56 ms on localhost (executor driver) (1/2)
19/07/10 11:40:30 INFO TaskSetManager: Finished task 1.0 in stage 5.0 (TID 11) in 58 ms on localhost (executor driver) (2/2)
19/07/10 11:40:30 INFO TaskSchedulerImpl: Removed TaskSet 5.0, whose tasks have all completed, from pool
19/07/10 11:40:30 INFO DAGScheduler: ResultStage 5 (collect at KMeans.scala:414) finished in 0.147 s
19/07/10 11:40:30 INFO DAGScheduler: Job 5 finished: collect at KMeans.scala:414, took 0.178237 s
19/07/10 11:40:30 INFO MapPartitionsRDD: Removing RDD 13 from persistence list
19/07/10 11:40:30 INFO BlockManager: Removing RDD 13
19/07/10 11:40:30 INFO TorrentBroadcast: Destroying Broadcast(3) (from destroy at KMeans.scala:421)
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 27
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 42
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 51
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 124
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 32
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 72
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 47
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 84
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 36
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 73
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 46
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 25
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 130
19/07/10 11:40:30 INFO TorrentBroadcast: Destroying Broadcast(6) (from destroy at KMeans.scala:421)
19/07/10 11:40:30 INFO BlockManagerInfo: Removed broadcast_3_piece0 on 192.168.31.160:44595 in memory (size: 344.0 B, free: 345.0 MB)
19/07/10 11:40:30 INFO BlockManagerInfo: Removed broadcast_2_piece0 on 192.168.31.160:44595 in memory (size: 2.9 KB, free: 345.0 MB)
19/07/10 11:40:30 INFO MemoryStore: Block broadcast_9 stored as values in memory (estimated size 568.0 B, free 344.7 MB)
19/07/10 11:40:30 INFO BlockManagerInfo: Removed broadcast_6_piece0 on 192.168.31.160:44595 in memory (size: 426.0 B, free: 345.0 MB)
19/07/10 11:40:30 INFO MemoryStore: Block broadcast_9_piece0 stored as bytes in memory (estimated size 529.0 B, free 344.7 MB)
19/07/10 11:40:30 INFO BlockManagerInfo: Added broadcast_9_piece0 in memory on 192.168.31.160:44595 (size: 529.0 B, free: 345.0 MB)
19/07/10 11:40:30 INFO SparkContext: Created broadcast 9 from broadcast at KMeans.scala:431
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 116
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 94
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 90
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 96
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 89
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 81
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 121
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 149
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 145
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 50
19/07/10 11:40:30 INFO BlockManagerInfo: Removed broadcast_7_piece0 on 192.168.31.160:44595 in memory (size: 3.1 KB, free: 345.0 MB)
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 135
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 108
19/07/10 11:40:30 INFO BlockManagerInfo: Removed broadcast_8_piece0 on 192.168.31.160:44595 in memory (size: 3.4 KB, free: 345.0 MB)
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 34
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 106
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 70
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 44
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 57
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 105
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 97
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 31
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 33
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 113
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 140
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 100
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 43
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 68
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 133
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 138
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 39
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 129
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 49
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 37
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 85
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 132
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 53
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 82
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 69
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 104
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 52
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 98
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 141
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 76
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 77
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 102
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 134
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 79
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 61
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 59
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 118
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 74
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 54
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 86
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 136
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 110
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 45
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 30
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 60
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 64
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 137
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 95
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 87
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 38
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 29
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 56
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 125
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 131
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 41
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 55
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 128
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 127
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 88
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 91
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 123
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 103
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 115
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 139
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 142
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 147
19/07/10 11:40:30 INFO BlockManagerInfo: Removed broadcast_5_piece0 on 192.168.31.160:44595 in memory (size: 3.3 KB, free: 345.0 MB)
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 26
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 48
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 78
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 93
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 40
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 35
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 63
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 75
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 112
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 146
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 58
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 62
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 83
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 101
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 148
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 144
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 111
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 117
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 71
19/07/10 11:40:30 INFO BlockManagerInfo: Removed broadcast_4_piece0 on 192.168.31.160:44595 in memory (size: 3.0 KB, free: 345.0 MB)
19/07/10 11:40:30 INFO SparkContext: Starting job: countByValue at KMeans.scala:434
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 28
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 122
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 143
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 65
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 126
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 92
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 114
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 120
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 80
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 107
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 109
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 99
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 66
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 67
19/07/10 11:40:30 INFO ContextCleaner: Cleaned accumulator 119
19/07/10 11:40:31 INFO DAGScheduler: Registering RDD 18 (countByValue at KMeans.scala:434)
19/07/10 11:40:31 INFO DAGScheduler: Got job 6 (countByValue at KMeans.scala:434) with 2 output partitions
19/07/10 11:40:31 INFO DAGScheduler: Final stage: ResultStage 7 (countByValue at KMeans.scala:434)
19/07/10 11:40:31 INFO DAGScheduler: Parents of final stage: List(ShuffleMapStage 6)
19/07/10 11:40:31 INFO DAGScheduler: Missing parents: List(ShuffleMapStage 6)
19/07/10 11:40:31 INFO DAGScheduler: Submitting ShuffleMapStage 6 (MapPartitionsRDD[18] at countByValue at KMeans.scala:434), which has no missing parents
19/07/10 11:40:31 INFO MemoryStore: Block broadcast_10 stored as values in memory (estimated size 6.7 KB, free 344.8 MB)
19/07/10 11:40:31 INFO MemoryStore: Block broadcast_10_piece0 stored as bytes in memory (estimated size 3.7 KB, free 344.8 MB)
19/07/10 11:40:31 INFO BlockManagerInfo: Added broadcast_10_piece0 in memory on 192.168.31.160:44595 (size: 3.7 KB, free: 345.0 MB)
19/07/10 11:40:31 INFO SparkContext: Created broadcast 10 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:31 INFO DAGScheduler: Submitting 2 missing tasks from ShuffleMapStage 6 (MapPartitionsRDD[18] at countByValue at KMeans.scala:434) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:31 INFO TaskSchedulerImpl: Adding task set 6.0 with 2 tasks
19/07/10 11:40:31 INFO TaskSetManager: Starting task 0.0 in stage 6.0 (TID 12, localhost, executor driver, partition 0, PROCESS_LOCAL, 8189 bytes)
19/07/10 11:40:31 INFO TaskSetManager: Starting task 1.0 in stage 6.0 (TID 13, localhost, executor driver, partition 1, PROCESS_LOCAL, 8189 bytes)
19/07/10 11:40:31 INFO Executor: Running task 0.0 in stage 6.0 (TID 12)
19/07/10 11:40:31 INFO Executor: Running task 1.0 in stage 6.0 (TID 13)
19/07/10 11:40:31 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:31 INFO BlockManager: Found block rdd_3_0 locally
19/07/10 11:40:31 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:31 INFO BlockManager: Found block rdd_3_1 locally
19/07/10 11:40:31 INFO Executor: Finished task 1.0 in stage 6.0 (TID 13). 1156 bytes result sent to driver
19/07/10 11:40:31 INFO Executor: Finished task 0.0 in stage 6.0 (TID 12). 1113 bytes result sent to driver
19/07/10 11:40:31 INFO TaskSetManager: Finished task 1.0 in stage 6.0 (TID 13) in 294 ms on localhost (executor driver) (1/2)
19/07/10 11:40:31 INFO TaskSetManager: Finished task 0.0 in stage 6.0 (TID 12) in 300 ms on localhost (executor driver) (2/2)
19/07/10 11:40:31 INFO TaskSchedulerImpl: Removed TaskSet 6.0, whose tasks have all completed, from pool
19/07/10 11:40:31 INFO DAGScheduler: ShuffleMapStage 6 (countByValue at KMeans.scala:434) finished in 0.367 s
19/07/10 11:40:31 INFO DAGScheduler: looking for newly runnable stages
19/07/10 11:40:31 INFO DAGScheduler: running: Set()
19/07/10 11:40:31 INFO DAGScheduler: waiting: Set(ResultStage 7)
19/07/10 11:40:31 INFO DAGScheduler: failed: Set()
19/07/10 11:40:32 INFO DAGScheduler: Submitting ResultStage 7 (ShuffledRDD[19] at countByValue at KMeans.scala:434), which has no missing parents
19/07/10 11:40:32 INFO MemoryStore: Block broadcast_11 stored as values in memory (estimated size 3.3 KB, free 344.7 MB)
19/07/10 11:40:32 INFO MemoryStore: Block broadcast_11_piece0 stored as bytes in memory (estimated size 2.0 KB, free 344.7 MB)
19/07/10 11:40:32 INFO BlockManagerInfo: Added broadcast_11_piece0 in memory on 192.168.31.160:44595 (size: 2.0 KB, free: 345.0 MB)
19/07/10 11:40:32 INFO SparkContext: Created broadcast 11 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:32 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 7 (ShuffledRDD[19] at countByValue at KMeans.scala:434) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:32 INFO TaskSchedulerImpl: Adding task set 7.0 with 2 tasks
19/07/10 11:40:32 INFO TaskSetManager: Starting task 0.0 in stage 7.0 (TID 14, localhost, executor driver, partition 0, ANY, 7662 bytes)
19/07/10 11:40:32 INFO TaskSetManager: Starting task 1.0 in stage 7.0 (TID 15, localhost, executor driver, partition 1, ANY, 7662 bytes)
19/07/10 11:40:32 INFO Executor: Running task 0.0 in stage 7.0 (TID 14)
19/07/10 11:40:32 INFO Executor: Running task 1.0 in stage 7.0 (TID 15)
19/07/10 11:40:32 INFO ShuffleBlockFetcherIterator: Getting 2 non-empty blocks including 2 local blocks and 0 remote blocks
19/07/10 11:40:32 INFO ShuffleBlockFetcherIterator: Started 0 remote fetches in 19 ms
19/07/10 11:40:32 INFO ShuffleBlockFetcherIterator: Getting 2 non-empty blocks including 2 local blocks and 0 remote blocks
19/07/10 11:40:32 INFO ShuffleBlockFetcherIterator: Started 0 remote fetches in 15 ms
19/07/10 11:40:32 INFO Executor: Finished task 1.0 in stage 7.0 (TID 15). 1415 bytes result sent to driver
19/07/10 11:40:32 INFO TaskSetManager: Finished task 1.0 in stage 7.0 (TID 15) in 290 ms on localhost (executor driver) (1/2)
19/07/10 11:40:32 INFO Executor: Finished task 0.0 in stage 7.0 (TID 14). 1372 bytes result sent to driver
19/07/10 11:40:32 INFO TaskSetManager: Finished task 0.0 in stage 7.0 (TID 14) in 308 ms on localhost (executor driver) (2/2)
19/07/10 11:40:32 INFO TaskSchedulerImpl: Removed TaskSet 7.0, whose tasks have all completed, from pool
19/07/10 11:40:32 INFO DAGScheduler: ResultStage 7 (countByValue at KMeans.scala:434) finished in 0.347 s
19/07/10 11:40:32 INFO DAGScheduler: Job 6 finished: countByValue at KMeans.scala:434, took 1.822957 s
19/07/10 11:40:32 INFO TorrentBroadcast: Destroying Broadcast(9) (from destroy at KMeans.scala:436)
19/07/10 11:40:32 INFO BlockManagerInfo: Removed broadcast_9_piece0 on 192.168.31.160:44595 in memory (size: 529.0 B, free: 345.0 MB)
19/07/10 11:40:32 INFO LocalKMeans: Local KMeans++ converged in 2 iterations.
19/07/10 11:40:32 INFO KMeans: Initialization with k-means|| took 5.977 seconds.
19/07/10 11:40:32 INFO MemoryStore: Block broadcast_12 stored as values in memory (estimated size 296.0 B, free 344.7 MB)
19/07/10 11:40:32 INFO MemoryStore: Block broadcast_12_piece0 stored as bytes in memory (estimated size 334.0 B, free 344.7 MB)
19/07/10 11:40:32 INFO BlockManagerInfo: Added broadcast_12_piece0 in memory on 192.168.31.160:44595 (size: 334.0 B, free: 345.0 MB)
19/07/10 11:40:32 INFO SparkContext: Created broadcast 12 from broadcast at KMeans.scala:299
19/07/10 11:40:32 INFO SparkContext: Starting job: collectAsMap at KMeans.scala:320
19/07/10 11:40:32 INFO DAGScheduler: Registering RDD 20 (mapPartitions at KMeans.scala:302)
19/07/10 11:40:32 INFO DAGScheduler: Got job 7 (collectAsMap at KMeans.scala:320) with 2 output partitions
19/07/10 11:40:32 INFO DAGScheduler: Final stage: ResultStage 9 (collectAsMap at KMeans.scala:320)
19/07/10 11:40:32 INFO DAGScheduler: Parents of final stage: List(ShuffleMapStage 8)
19/07/10 11:40:32 INFO DAGScheduler: Missing parents: List(ShuffleMapStage 8)
19/07/10 11:40:32 INFO DAGScheduler: Submitting ShuffleMapStage 8 (MapPartitionsRDD[20] at mapPartitions at KMeans.scala:302), which has no missing parents
19/07/10 11:40:32 INFO MemoryStore: Block broadcast_13 stored as values in memory (estimated size 6.3 KB, free 344.7 MB)
19/07/10 11:40:32 INFO MemoryStore: Block broadcast_13_piece0 stored as bytes in memory (estimated size 3.5 KB, free 344.7 MB)
19/07/10 11:40:32 INFO BlockManagerInfo: Added broadcast_13_piece0 in memory on 192.168.31.160:44595 (size: 3.5 KB, free: 345.0 MB)
19/07/10 11:40:32 INFO SparkContext: Created broadcast 13 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:32 INFO DAGScheduler: Submitting 2 missing tasks from ShuffleMapStage 8 (MapPartitionsRDD[20] at mapPartitions at KMeans.scala:302) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:32 INFO TaskSchedulerImpl: Adding task set 8.0 with 2 tasks
19/07/10 11:40:32 INFO TaskSetManager: Starting task 0.0 in stage 8.0 (TID 16, localhost, executor driver, partition 0, PROCESS_LOCAL, 8189 bytes)
19/07/10 11:40:32 INFO TaskSetManager: Starting task 1.0 in stage 8.0 (TID 17, localhost, executor driver, partition 1, PROCESS_LOCAL, 8189 bytes)
19/07/10 11:40:32 INFO Executor: Running task 0.0 in stage 8.0 (TID 16)
19/07/10 11:40:32 INFO Executor: Running task 1.0 in stage 8.0 (TID 17)
19/07/10 11:40:32 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:32 INFO BlockManager: Found block rdd_3_0 locally
19/07/10 11:40:32 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:32 INFO BlockManager: Found block rdd_3_1 locally
19/07/10 11:40:32 INFO Executor: Finished task 1.0 in stage 8.0 (TID 17). 1226 bytes result sent to driver
19/07/10 11:40:32 INFO Executor: Finished task 0.0 in stage 8.0 (TID 16). 1226 bytes result sent to driver
19/07/10 11:40:32 INFO TaskSetManager: Finished task 1.0 in stage 8.0 (TID 17) in 73 ms on localhost (executor driver) (1/2)
19/07/10 11:40:32 INFO TaskSetManager: Finished task 0.0 in stage 8.0 (TID 16) in 82 ms on localhost (executor driver) (2/2)
19/07/10 11:40:32 INFO TaskSchedulerImpl: Removed TaskSet 8.0, whose tasks have all completed, from pool
19/07/10 11:40:32 INFO DAGScheduler: ShuffleMapStage 8 (mapPartitions at KMeans.scala:302) finished in 0.135 s
19/07/10 11:40:32 INFO DAGScheduler: looking for newly runnable stages
19/07/10 11:40:32 INFO DAGScheduler: running: Set()
19/07/10 11:40:32 INFO DAGScheduler: waiting: Set(ResultStage 9)
19/07/10 11:40:32 INFO DAGScheduler: failed: Set()
19/07/10 11:40:32 INFO DAGScheduler: Submitting ResultStage 9 (ShuffledRDD[21] at reduceByKey at KMeans.scala:317), which has no missing parents
19/07/10 11:40:32 INFO MemoryStore: Block broadcast_14 stored as values in memory (estimated size 2.8 KB, free 344.7 MB)
19/07/10 11:40:32 INFO MemoryStore: Block broadcast_14_piece0 stored as bytes in memory (estimated size 1742.0 B, free 344.7 MB)
19/07/10 11:40:32 INFO BlockManagerInfo: Added broadcast_14_piece0 in memory on 192.168.31.160:44595 (size: 1742.0 B, free: 345.0 MB)
19/07/10 11:40:32 INFO SparkContext: Created broadcast 14 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:32 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 9 (ShuffledRDD[21] at reduceByKey at KMeans.scala:317) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:32 INFO TaskSchedulerImpl: Adding task set 9.0 with 2 tasks
19/07/10 11:40:32 INFO TaskSetManager: Starting task 0.0 in stage 9.0 (TID 18, localhost, executor driver, partition 0, ANY, 7662 bytes)
19/07/10 11:40:32 INFO TaskSetManager: Starting task 1.0 in stage 9.0 (TID 19, localhost, executor driver, partition 1, ANY, 7662 bytes)
19/07/10 11:40:32 INFO Executor: Running task 0.0 in stage 9.0 (TID 18)
19/07/10 11:40:32 INFO Executor: Running task 1.0 in stage 9.0 (TID 19)
19/07/10 11:40:32 INFO ShuffleBlockFetcherIterator: Getting 2 non-empty blocks including 2 local blocks and 0 remote blocks
19/07/10 11:40:32 INFO ShuffleBlockFetcherIterator: Started 0 remote fetches in 1 ms
19/07/10 11:40:32 INFO ShuffleBlockFetcherIterator: Getting 2 non-empty blocks including 2 local blocks and 0 remote blocks
19/07/10 11:40:32 INFO ShuffleBlockFetcherIterator: Started 0 remote fetches in 1 ms
19/07/10 11:40:32 INFO Executor: Finished task 0.0 in stage 9.0 (TID 18). 1531 bytes result sent to driver
19/07/10 11:40:32 INFO Executor: Finished task 1.0 in stage 9.0 (TID 19). 1498 bytes result sent to driver
19/07/10 11:40:32 INFO TaskSetManager: Finished task 0.0 in stage 9.0 (TID 18) in 73 ms on localhost (executor driver) (1/2)
19/07/10 11:40:33 INFO TaskSetManager: Finished task 1.0 in stage 9.0 (TID 19) in 79 ms on localhost (executor driver) (2/2)
19/07/10 11:40:33 INFO TaskSchedulerImpl: Removed TaskSet 9.0, whose tasks have all completed, from pool
19/07/10 11:40:33 INFO DAGScheduler: ResultStage 9 (collectAsMap at KMeans.scala:320) finished in 0.182 s
19/07/10 11:40:33 INFO DAGScheduler: Job 7 finished: collectAsMap at KMeans.scala:320, took 0.369581 s
19/07/10 11:40:33 INFO TorrentBroadcast: Destroying Broadcast(12) (from destroy at KMeans.scala:330)
19/07/10 11:40:33 INFO KMeans: Iterations took 0.564 seconds.
19/07/10 11:40:33 INFO KMeans: KMeans converged in 1 iterations.
19/07/10 11:40:33 INFO KMeans: The cost is 0.07500000000004324.
19/07/10 11:40:33 INFO BlockManagerInfo: Removed broadcast_12_piece0 on 192.168.31.160:44595 in memory (size: 334.0 B, free: 345.0 MB)
19/07/10 11:40:33 INFO MapPartitionsRDD: Removing RDD 3 from persistence list
19/07/10 11:40:33 INFO BlockManager: Removing RDD 3
19/07/10 11:40:33 WARN KMeans: The input data was not directly cached, which may hurt performance if its parent RDDs are also uncached.
[0.1,0.1,0.1]
[9.05,9.05,9.05]
[9.2,9.2,9.2]
19/07/10 11:40:33 INFO MemoryStore: Block broadcast_15 stored as values in memory (estimated size 296.0 B, free 344.7 MB)
19/07/10 11:40:33 INFO MemoryStore: Block broadcast_15_piece0 stored as bytes in memory (estimated size 334.0 B, free 344.7 MB)
19/07/10 11:40:33 INFO BlockManagerInfo: Added broadcast_15_piece0 in memory on 192.168.31.160:44595 (size: 334.0 B, free: 345.0 MB)
19/07/10 11:40:33 INFO SparkContext: Created broadcast 15 from broadcast at KMeansModel.scala:102
19/07/10 11:40:33 INFO SparkContext: Starting job: sum at KMeansModel.scala:105
19/07/10 11:40:33 INFO DAGScheduler: Got job 8 (sum at KMeansModel.scala:105) with 2 output partitions
19/07/10 11:40:33 INFO DAGScheduler: Final stage: ResultStage 10 (sum at KMeansModel.scala:105)
19/07/10 11:40:33 INFO DAGScheduler: Parents of final stage: List()
19/07/10 11:40:33 INFO DAGScheduler: Missing parents: List()
19/07/10 11:40:33 INFO DAGScheduler: Submitting ResultStage 10 (MapPartitionsRDD[22] at map at KMeansModel.scala:103), which has no missing parents
19/07/10 11:40:33 INFO MemoryStore: Block broadcast_16 stored as values in memory (estimated size 5.3 KB, free 344.7 MB)
19/07/10 11:40:33 INFO MemoryStore: Block broadcast_16_piece0 stored as bytes in memory (estimated size 3.0 KB, free 344.7 MB)
19/07/10 11:40:33 INFO BlockManagerInfo: Added broadcast_16_piece0 in memory on 192.168.31.160:44595 (size: 3.0 KB, free: 345.0 MB)
19/07/10 11:40:33 INFO SparkContext: Created broadcast 16 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:33 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 10 (MapPartitionsRDD[22] at map at KMeansModel.scala:103) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:33 INFO TaskSchedulerImpl: Adding task set 10.0 with 2 tasks
19/07/10 11:40:33 INFO TaskSetManager: Starting task 0.0 in stage 10.0 (TID 20, localhost, executor driver, partition 0, PROCESS_LOCAL, 7889 bytes)
19/07/10 11:40:33 INFO TaskSetManager: Starting task 1.0 in stage 10.0 (TID 21, localhost, executor driver, partition 1, PROCESS_LOCAL, 7889 bytes)
19/07/10 11:40:33 INFO Executor: Running task 0.0 in stage 10.0 (TID 20)
19/07/10 11:40:33 INFO Executor: Running task 1.0 in stage 10.0 (TID 21)
19/07/10 11:40:33 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:33 INFO BlockManager: Found block rdd_1_0 locally
19/07/10 11:40:33 INFO Executor: Finished task 0.0 in stage 10.0 (TID 20). 834 bytes result sent to driver
19/07/10 11:40:33 INFO Executor: Finished task 1.0 in stage 10.0 (TID 21). 834 bytes result sent to driver
19/07/10 11:40:33 INFO TaskSetManager: Finished task 0.0 in stage 10.0 (TID 20) in 30 ms on localhost (executor driver) (1/2)
19/07/10 11:40:33 INFO TaskSetManager: Finished task 1.0 in stage 10.0 (TID 21) in 31 ms on localhost (executor driver) (2/2)
19/07/10 11:40:33 INFO TaskSchedulerImpl: Removed TaskSet 10.0, whose tasks have all completed, from pool
19/07/10 11:40:33 INFO DAGScheduler: ResultStage 10 (sum at KMeansModel.scala:105) finished in 0.066 s
19/07/10 11:40:33 INFO DAGScheduler: Job 8 finished: sum at KMeansModel.scala:105, took 0.074275 s
19/07/10 11:40:33 INFO TorrentBroadcast: Destroying Broadcast(15) (from destroy at KMeansModel.scala:106)
误差为：0.07500000000004324
19/07/10 11:40:33 INFO BlockManagerInfo: Removed broadcast_15_piece0 on 192.168.31.160:44595 in memory (size: 334.0 B, free: 345.0 MB)
19/07/10 11:40:33 INFO SparkContext: Starting job: foreach at Kmeans.scala:74
19/07/10 11:40:33 INFO DAGScheduler: Got job 9 (foreach at Kmeans.scala:74) with 2 output partitions
19/07/10 11:40:33 INFO DAGScheduler: Final stage: ResultStage 11 (foreach at Kmeans.scala:74)
19/07/10 11:40:33 INFO DAGScheduler: Parents of final stage: List()
19/07/10 11:40:33 INFO DAGScheduler: Missing parents: List()
19/07/10 11:40:33 INFO DAGScheduler: Submitting ResultStage 11 (MapPartitionsRDD[23] at map at Kmeans.scala:68), which has no missing parents
19/07/10 11:40:33 INFO MemoryStore: Block broadcast_17 stored as values in memory (estimated size 4.6 KB, free 344.7 MB)
19/07/10 11:40:33 INFO MemoryStore: Block broadcast_17_piece0 stored as bytes in memory (estimated size 2.7 KB, free 344.7 MB)
19/07/10 11:40:33 INFO BlockManagerInfo: Added broadcast_17_piece0 in memory on 192.168.31.160:44595 (size: 2.7 KB, free: 345.0 MB)
19/07/10 11:40:33 INFO SparkContext: Created broadcast 17 from broadcast at DAGScheduler.scala:1161
19/07/10 11:40:33 INFO DAGScheduler: Submitting 2 missing tasks from ResultStage 11 (MapPartitionsRDD[23] at map at Kmeans.scala:68) (first 15 tasks are for partitions Vector(0, 1))
19/07/10 11:40:33 INFO TaskSchedulerImpl: Adding task set 11.0 with 2 tasks
19/07/10 11:40:33 INFO TaskSetManager: Starting task 0.0 in stage 11.0 (TID 22, localhost, executor driver, partition 0, PROCESS_LOCAL, 7889 bytes)
19/07/10 11:40:33 INFO TaskSetManager: Starting task 1.0 in stage 11.0 (TID 23, localhost, executor driver, partition 1, PROCESS_LOCAL, 7889 bytes)
19/07/10 11:40:33 INFO Executor: Running task 0.0 in stage 11.0 (TID 22)
19/07/10 11:40:33 INFO Executor: Running task 1.0 in stage 11.0 (TID 23)
19/07/10 11:40:33 INFO BlockManager: Found block rdd_1_1 locally
19/07/10 11:40:33 INFO BlockManager: Found block rdd_1_0 locally
[0.0,0.0,0.0]==>0
[0.1,0.1,0.1]==>0
[0.2,0.2,0.2]==>0
[9.0,9.0,9.0]==>1
19/07/10 11:40:33 INFO Executor: Finished task 0.0 in stage 11.0 (TID 22). 837 bytes result sent to driver
[9.1,9.1,9.1]==>1
[9.2,9.2,9.2]==>2
19/07/10 11:40:33 INFO Executor: Finished task 1.0 in stage 11.0 (TID 23). 794 bytes result sent to driver
19/07/10 11:40:33 INFO TaskSetManager: Finished task 0.0 in stage 11.0 (TID 22) in 35 ms on localhost (executor driver) (1/2)
19/07/10 11:40:33 INFO TaskSetManager: Finished task 1.0 in stage 11.0 (TID 23) in 37 ms on localhost (executor driver) (2/2)
19/07/10 11:40:33 INFO TaskSchedulerImpl: Removed TaskSet 11.0, whose tasks have all completed, from pool
19/07/10 11:40:33 INFO DAGScheduler: ResultStage 11 (foreach at Kmeans.scala:74) finished in 0.074 s
19/07/10 11:40:33 INFO DAGScheduler: Job 9 finished: foreach at Kmeans.scala:74, took 0.090780 s
19/07/10 11:40:33 INFO SparkContext: Invoking stop() from shutdown hook
19/07/10 11:40:33 INFO SparkUI: Stopped Spark web UI at http://192.168.31.160:4040
19/07/10 11:40:33 INFO MapOutputTrackerMasterEndpoint: MapOutputTrackerMasterEndpoint stopped!
19/07/10 11:40:34 INFO MemoryStore: MemoryStore cleared
19/07/10 11:40:34 INFO BlockManager: BlockManager stopped
19/07/10 11:40:34 INFO BlockManagerMaster: BlockManagerMaster stopped
19/07/10 11:40:34 INFO OutputCommitCoordinator$OutputCommitCoordinatorEndpoint: OutputCommitCoordinator stopped!
19/07/10 11:40:34 INFO SparkContext: Successfully stopped SparkContext
19/07/10 11:40:34 INFO ShutdownHookManager: Shutdown hook called
19/07/10 11:40:34 INFO ShutdownHookManager: Deleting directory /tmp/spark-21be76b6-98d0-46ec-a1d6-640cb5556eff Process finished with exit code 0