使用elasticdump复制索引
方法1: 使用node模块 - elasticdump
安装 npm install elasticdump -g elasticdump example: elasticdump \ --input=http://production.es.com:9200/my_index \ --output=http://staging.es.com:9200/my_index \ --type=data 参考官网:https://www.npmjs.com/package/elasticdump
注:这个在数据量较大的时候可能会出错
方法二:reindex
POST _reindex { "source": { "index": "twitter" }, "dest": { "index": "new_twitter" } } 参考官网:https://www.elastic.co/guide/en/elasticsearch/reference/6.4/docs-reindex.html