大家好，我是考100分的小小码 ，祝大家学习进步，加薪顺利呀。今天说一说Elasticsearch通过elasticsearch-curator 插件来定期删除Index「终于解决」,希望您对编程的造诣更进一步.
Elasticsearch管理中索引的管理非常重要。基于磁盘空间和性能的考量，索引的生命周期管理显得尤为重要。Curator允许对索引创建、删除等操作，下面是我们借助 elasticsearch-curator 插件来定期删除index.本文主要介绍elasticsearch-curator 插件的安装步骤。
Step 1下载
https://www.elastic.co/guide/en/elasticsearch/client/curator/current/yum-repository.html
Step 2 上传安装包至服务器，并创建相应的文件
Step 3 安装
执行的安装命令如下：
yum localinstall elasticsearch-curator-5.8.1-1.x86_64.rpm
代码100分
Step 4 完善更新配置文件
config.yml文件
详细内容如下：
代码100分--- # Remember, leave a key empty if there is no value. None will be a string, # not a Python "NoneType" client: hosts: - 201.101.101.101 port: 端口 url_prefix: use_ssl: False certificate: client_cert: client_key: ssl_no_validate: False http_auth: 用户名:密码 timeout: 30 master_only: False logging: loglevel: INFO logfile: /data/elasticsearch-curator/log/curator.log logformat: default blacklist: ["elasticsearch", "urllib3"]
action.yml 文件的编辑
详细内容如下：
--- # Remember, leave a key empty if there is no value. None will be a string, # not a Python "NoneType" # # Also remember that all examples have "disable_action" set to True. If you # want to use this action as a template, be sure to set this to False after # copying it. actions: 1: action: delete_indices description: >- Delete metric indices older than 3 days (based on index name), for .monitoring-es-6- .monitoring-kibana-6- .monitoring-logstash-6- .watcher-history-3- prefixed indices. Ignore the error if the filter does not result in an actionable list of indices (ignore_empty_list) and exit cleanly. options: ignore_empty_list: True # disable_action: True filters: - filtertype: pattern kind: regex value: "^mysql-.*$" - filtertype: age source: name direction: older timestring: "%Y.%m.%d" unit: days unit_count: 3 2: action: close description: >- Close indices older than 30 days (based on index name), for syslog- prefixed indices. options: ignore_empty_list: True delete_aliases: False # disable_action: True filters: - filtertype: pattern kind: prefix value: syslog- - filtertype: age source: name direction: older timestring: "%Y.%m.%d" unit: days unit_count: 30 3: action: forcemerge description: >- forceMerge syslog- prefixed indices older than 2 days (based on index creation_date) to 2 segments per shard. Delay 120 seconds between each forceMerge operation to allow the cluster to quiesce. Skip indices that have already been forcemerged to the minimum number of segments to avoid reprocessing. options: ignore_empty_list: True max_num_segments: 2 delay: 120 timeout_override: continue_if_exception: False filters: - filtertype: pattern kind: prefix value: syslog- exclude: - filtertype: age source: name direction: older timestring: "%Y.%m.%d" unit: days unit_count: 2 - filtertype: forcemerged max_num_segments: 2 exclude:
Step 5 使用crontab定期执行curator
设置定时任务，例如以下的crontab
代码100分6 0 * * * curator --config /data/elasticsearch-curator/config.yml /data/elasticsearch-curator/action.yml
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