ES 快照备份恢复

ES快照备份恢复,快照备份存放于Ucloud的UFile,所以本文仅适用于存放在UFile中,其他类似;

参考文档:

                 https://www.elastic.co/guide/cn/elasticsearch/guide/current/_restoring_from_a_snapshot.html

                 https://docs.ucloud.cn/analysis/ues/plugins/ufile

                 https://github.com/ufilesdk-dev/elasticsearch-repository-ufile

 

创建备份仓库:
curl -XPUT localhost:9200/_snapshot/my_backup -H 'Content-type':'application/json' -d'{"type": "ufile","settings": {"endpoint": "bucket域名","public_key": "令牌公钥","private_key": "令牌私钥","bucket": "bucket名称", "compress": true, "chunk_size":"500mb", "base_path": "es", "max_snapshot_bytes_per_sec": "500mb", "max_restore_bytes_per_sec": "500mb"}}'

注意:1、type为ufile,若用nfs做共享存储,type应为fs

           2、endpoint写的地址,一定要转换为ufile内网地址,不然传输会很慢很慢

创建快照:
curl -X PUT http://localhost:9200/_snapshot/my_backup/categorys1113 -d '{"indices": "categorys"}'

恢复快照:
curl -X POST http://localhost:9200/_snapshot/my_backup/categorys1113/_restore -d '{"indices":"categorys","rename_pattern":"categorys", "rename_replacement": "categorys1113" }'

查看快照恢复状态
curl -X GET http://localhost:9200/_snapshot/my_backup/_all?pretty

查看快照恢复情况:
curl -X GET http://localhost:9200/ecarx_musics_new/_recovery

 

如果恢复是报错如下:

先关闭索引,等快照恢复完成后再打开

关闭索引:
curl -X POST http://localhost:9200/ecarx_musics_new/_close

打开索引:
curl -X POST http://localhost:9200/ecarx_musics_new/_open

PS:命令在es-head或者es服务端机器执行都可以

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