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elasticsearch实战手册阅读(1)——导读

 3 years ago
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elasticsearch 学习系列目录——更新ing

《Elastic Stack 实战手册》早鸟版首发

二、导读部分

2.1 基础篇

内容描述基础介绍 能力组成 技术优势 专用术语

2.2 入门篇

内容描述elastic stack部署 elasticsearch基础应用 kibana基础应用

2.3 进阶篇

内容描述CCR/CCS Rollup Data stream 索引生命周期管理 分片管理 Snopshot Watcher Alters Transform Graph 机器学习 elasticsearch SQL Canvas APM Uptime Enterprise Search SIEM Endpoint Security 集群管理及监控 Elasticsearch 各类语言开发示例

三、kibana中的查询

3.1 集群

# 获取整个 cluster 的状态
GET _cluster/state
# 获取当前可以进行 vote 的所有 master-eligible 节点
GET _cluster/state?filter_path=metadata.cluster_coordination.last_committed_config

3.2 索引

# 配置索引的主/副分片
# 主分片无法修改，因为es索引时候，根据主分片数量，确定文档所在分片
# 副本分片可以动态修改
PUT yztest
{
  "settings": {
    "number_of_shards": 2,
    "number_of_replicas": 1
  }
}

# 查看索引配置

GET kibana_sample_data_logs/_settings?pretty

{
  "kibana_sample_data_logs" : {
    "settings" : {
      "index" : {
        "routing" : {
          "allocation" : {
            "include" : {
              "_tier_preference" : "data_content"
            }
          }
        },
        "number_of_shards" : "1",
        "auto_expand_replicas" : "0-1",
        "blocks" : {
          "read_only_allow_delete" : "false"
        },
        "provided_name" : "kibana_sample_data_logs",
        "creation_date" : "1622706464015",
        "number_of_replicas" : "1",
        "uuid" : "KIsQkeGpTpi9-WO0rz-ACw",
        "version" : {
          "created" : "7130199"
        }
      }
    }
  }
}

report

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