Elasticsearch actual combat manual reading (1)-guide

One, reference

learning series catalog-update ing

"Elastic Stack Practical Manual" Early Bird Edition First

2. Introduction

2.1 Basics

content	description
Basic introduction
Competencies
Technical advantages
Special term

2.2 Getting Started

content	description
elastic stack deployment
Elasticsearch basic application
Kibana basic application

2.3 Advanced

content	description
CCR/CCS
Rollup
Data stream
Index lifecycle management
Shard management
Snopshot
Watcher
Alters
Transform
Graph
Machine learning
elasticsearch SQL
Canvas
APM
Uptime
Enterprise Search
SIEM
Endpoint Security
Cluster management and monitoring
Elasticsearch various language development examples

Three, the query in kibana

3.1 Cluster

# 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 Index

# 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"
        }
      }
    }
  }
}