Elasticsearch(ES)数据备份迁移

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作者
筋斗云
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在Elasticsearch中,数据备份和迁移通常使用snapshot和restore功能来完成。以下是使用Elasticsearch的slotstore插件进行备份和恢复的示例代码:

备份数据到共享存储库(repository):

# 在Elasticsearch中添加一个共享存储库 PUT /_snapshot/my_backup {   "type": "fs",   "settings": {     "location": "/path/to/shared/storage"   } }   # 创建一个备份 POST /_snapshot/my_backup/snapshot_1 {   "indices": "index_1,index_2" }

恢复数据:

# 首先,确保Elasticsearch中已经定义了repository   # 从备份中恢复所有索引 POST /_snapshot/my_backup/snapshot_1/_restore   # 或者,仅恢复特定索引 POST /_snapshot/my_backup/snapshot_1/_restore {   "indices": "index_1",   "rename_pattern": "index_1",   "rename_replacement": "restored_index_1" }

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