前端怎么做自己的博客网站,seo网络优化是什么工作,上海做网站培训班,wordpress 有空格一 .概念
ILM定义了四个生命周期阶段#xff1a;Hot#xff1a;正在积极地更新和查询索引。Warm#xff1a;不再更新索引#xff0c;但仍在查询。cold#xff1a;不再更新索引#xff0c;很少查询。信息仍然需要可搜索#xff0c;但是如果这些查询速度较慢也可以。Dele…一 .概念
ILM定义了四个生命周期阶段Hot正在积极地更新和查询索引。Warm不再更新索引但仍在查询。cold不再更新索引很少查询。信息仍然需要可搜索但是如果这些查询速度较慢也可以。Delete不再需要该索引可以安全地将其删除 仅仅在 Hot阶段 可以设置 rollover滚动
在实验中可以修改设置来缩短ILM检测时间间隔。ILM定期运行indices.lifecycle.poll_interval默认是10分钟检查索引是否符合策略标准并执行所需的任何步骤
PUT /_cluster/settings{ transient: { indices.lifecycle.poll_interval: 1m } }
参数的设置满足任意一个创建新的索引
HOT WARM Delete 二. 实战
1 .创建生命周期策略模板PUT 请求
http://localhost:9099/_ilm/policy/my_index_rollover_policy
max_docs: 5000000 设置超过500万是创建新的索引实际测试可以设置小一点
{policy: {phases: {hot: {actions: {rollover: {max_docs: 5000000},set_priority: {priority: 100}}},warm: {min_age: 30d,actions: {forcemerge: {max_num_segments: 1},shrink: {number_of_shards: 1},allocate: {number_of_replicas: 1},set_priority: {priority: 50}}},cold: {min_age: 90d,actions: {freeze: {},allocate: {require: {type: cold}},set_priority: {priority: 10}}},delete: {min_age: 3650d,actions: {delete: {}}}}}
}
2. 创建索引模板日志统计索引 PUT 请求
http://localhost:9099/_template/my_statistic_log
{index_patterns: [my_statistic_log-*],settings: {index.number_of_shards: 5,index.number_of_replicas: 1,refresh_interval: 60s,index.lifecycle.name: my_index_rollover_policy,index.lifecycle.rollover_alias: statistic_log_write},aliases: {statistic_log_read: {}},mappings: {log: {dynamic: strict,_field_names: {enabled: false},dynamic_templates: [{date: {match: *Date,mapping: {type: date}}},{strings: {match_mapping_type: string,mapping: {type: keyword}}},{long_or_text: {match: *Time,mapping: {type: date}}},{dataFormat: {match: *Date,mapping: {type: date}}},{timeFormat: {match: *Time,mapping: {type: date}}},{noAnalyzed: {match_mapping_type: string,mapping: {type: keyword}}}],properties: {area: {type: keyword},desc: {type: keyword},hour: {type: integer},day: {type: integer},startTime: {type: date,format: yyyy-MM-dd HH:mm:ss},totalCount: {type: long}}}}
}
3. 根据索引模板创建起始索引日志统计索引 put 请求 http://localhost:9099/my_statistic_log-000001
{aliases: {statistic_log_write: {is_write_index: true}}
}
4. 查看索引生效GET请求 http://localhost:9099/my_statistic_log-000001/_ilm/explain https://www.elastic.co/guide/en/elasticsearch/reference/6.8/_setting_up_a_new_policy.html
