正文
es 迁移数据, 重建索引
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原索引
PUT my_index
{
"mappings": {
"_doc": {
"properties": {
"create_date": {
"type": "date",
"format": "yyyy-MM-dd ||yyyy/MM/dd"
}
}
}
}
}
二、创建新索引
PUT my_index2
{
"mappings": {
"_doc": {
"properties": {
"create_date": {
"type": "text"
}
}
}
}
}
三、同步数据
POST _reindex
{
"source": {
"index": "my_index"
},
"dest": {
"index": "my_index2"
}
}
四、删除原索引
DELETE my_index
五、设置别名
POST /_aliases
{
"actions": [
{"add": {"index": "my_index2", "alias": "my_index"}}
]
}
#######
POST _reindex
{
"source": {
"index": "t1"
},
"dest": {
"index": "t2",
"version_type": "external"
},
"script": {
"source":"def w = ctx._source.remove('weight');ctx._source.weight=w;",
"lang": "painless"
}
}
