2023-07-04
config/elasticsearch.yml配置
path.repo: ["C:\\elasticsearch\\backup"]
配置解释:
注意请求方式:POST请求会更新已有的仓库配置,PUT会重新创建该仓库。
type:仓库的类型为共享文件系统
location: 指定仓库的路径,必须为path.repo 的子目录
max_snapshot_bytes_per_sec:快照数据进入仓库时,该参数可以控制过程的限流情况,默认为每秒20M
max_restore_bytes_per_sec:从仓库恢复数据时,该参数控制过程限流情况,默认值:每秒20M
注意:如果挂在的路径为远程目录时,应该合理配置该值,不至于网络流量被占满。
compress: 数据是否压缩
POST _snapshot/backup
{
"type": "fs",
"settings": {
"location": "C:\\elasticsearch\\backup",
"max_snapshot_bytes_per_sec": "20mb",
"max_restore_bytes_per_sec": "20mb",
"compress": true
}
}
wait_for_completion=true会一直阻塞直到快照完成。
indices:指定索引备份
ignore_unavailable: 如果indices指定的某些索引不存在时,是否忽略,默认为true 忽略不存在的索引。
include_global_state:是否阻止集群全局状态保存为快照的一部分。
PUT _snapshot/backup/snapshot_1?wait_for_completion=true
{
"indices": "plan_1,plan_2",
"ignore_unavailable": true,
"include_global_state": true
}
POST _snapshot/backup/snapshot_1/_restore?wait_for_completion=true
{
"indices": "plan_1,plan_2"
}
或
{
"indices": "plan_1,plan_2",
"rename_pattern": "my_index_(.+)",
"rename_replacement": "restored_my_index_$1"
}
#获取单个快照的信息
GET _snapshot/my_backup/snapshot_1
#获取仓库下所有快照的信息
GET _snapshot/my_backup/_all
删除某个快照
DELETE _snapshot/my_backup/snapshot_2
监控快照进度
GET _snapshot/my_backup/snapshot_1
GET _snapshot/my_backup/snapshot_1/_status
取消快照
DELETE _snapshot/my_backup/snapshot_2