Elasticsearch 集群状态详解

cluster state 返回结果详解

GET /_cluster/state

https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-state.html
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2
3

详细信息如下：

{
	"cluster_name": "business-log",
	"cluster_uuid": "ArYy-qmCTbCQTDUI8ogsBg",
	"version": 497261,
	"state_uuid": "6_u2t1A1Rnyw70hfp7eWIQ",
	"master_node": "1WRaRyU-SuCPn8qbz3e4hg",
	"blocks": {
		"indices": {
			".kibana_1": {
				"8": {
					"description": "index write (api)",
					"retryable": false,
					"levels": [
						"write"
					]
				}
			}
		}
	},
	"nodes": {
		"hYrrmhLHTx-QHoDmZ2wATg": {
			"__jiankunking_comment__": "节点名称、监听地址和端口等信息",
			"name": "es-b-220",
			"ephemeral_id": "Pk0I_YgZQKe0bK1EIQ8R-w",
			"transport_address": "127.0.220.220:9301",
			"attributes": {
				"ml.machine_memory": "135202910208",
				"ml.max_open_jobs": "512",
				"xpack.installed": "true",
				"ml.max_jvm_size": "33285996544",
				"transform.node": "true"
			},
			"roles": [
				"data",
				"data_cold",
				"data_content",
				"data_frozen",
				"data_hot",
				"data_warm",
				"ingest",
				"master",
				"ml",
				"remote_cluster_client",
				"transform"
			]
		}
	},
	"metadata": {
		"__metadata_jiankunking_comment__": "集群元数据",
		"cluster_uuid": "ArYy-qmCTbCQTDUI8ogsBg",
		"cluster_uuid_committed": true,
		"__cluster_uuid_committed_comment__": "Whether the current node with the given cluster state is locked into the cluster with the UUID returned by {@link #clusterUUID()}, meaning that it will not accept any cluster state with a different clusterUUID. https://github.com/jiankunking/elasticsearch/blob/692cca611db5db3365cba45320879f4e05d3d7d2/server/src/main/java/org/elasticsearch/cluster/metadata/Metadata.java#L241",
		"cluster_coordination": {
			"term": 92,
			"__last_committed_config_comment__": "https://www.elastic.co/guide/en/elasticsearch/reference/7.13/modules-discovery-voting.html"
			"last_committed_config": [
				"hYrrmhLHTx-QHoDmZ2wATg",
				"jaNLhd1eT6SUYcLJkHpE1Q",
				"1VQFmt9jQ-6d7fCMjP-vnQ",
				"uzGdH3VeRbOlcDIWeKdgIw",
				"PhjlCea6TNKh4rdZPyPDkA",
				"ZFQdNP4HSgCtPCnMfDdopw",
				"1WRaRyU-SuCPn8qbz3e4hg"
			],
			"last_accepted_config": [
				"hYrrmhLHTx-QHoDmZ2wATg",
				"jaNLhd1eT6SUYcLJkHpE1Q",
				"1VQFmt9jQ-6d7fCMjP-vnQ",
				"uzGdH3VeRbOlcDIWeKdgIw",
				"PhjlCea6TNKh4rdZPyPDkA",
				"ZFQdNP4HSgCtPCnMfDdopw",
				"1WRaRyU-SuCPn8qbz3e4hg"
			],
			"voting_config_exclusions": []
		},
		"templates": {
			"__templates_jiankunking_comment__": "全部模板的具体内容",
			"k8s-log-template": {
				"order": 0,
				"index_patterns": [
					"logstash-*"
				],
				"settings": {
					"index": {
						"codec": "best_compression",
						"refresh_interval": "30s",
						"number_of_shards": "3",
						"number_of_replicas": "1"
					}
				},
				"mappings": {
					"_doc": {
						"dynamic_templates": [
							{
								"strings_as_keywords": {
									"unmatch": "log",
									"mapping": {
										"type": "keyword"
									},
									"match_mapping_type": "string"
								}
							},
							{
								"log": {
									"mapping": {
										"norms": false,
										"analyzer": "standard",
										"type": "text"
									},
									"match_mapping_type": "string",
									"match": "log"
								}
							},
							{
								"@timestamp": {
									"mapping": {
										"type": "date"
									},
									"match_mapping_type": "date",
									"match": "@timestamp"
								}
							}
						]
					}
				},
				"aliases": {}
			}
		},
		"indices": {
			"__indices_jiankunking_comment__": "索引列表",
			"logstash-2023.11.06": {
				"version": 27,
				"mapping_version": 20,
				"settings_version": 1,
				"aliases_version": 1,
				"routing_num_shards": 896,
				"state": "open",
				"settings": {
					"index": {
						"codec": "best_compression",
						"routing": {
							"allocation": {
								"include": {
									"_tier_preference": "data_content"
								}
							}
						},
						"refresh_interval": "30s",
						"number_of_shards": "7",
						"provided_name": "logstash-2023.11.06",
						"creation_date": "1699200016628",
						"number_of_replicas": "1",
						"uuid": "eplKvvIaSpaTzwqhjwGNYQ",
						"version": {
							"created": "7130499"
						}
					}
				},
				"mappings": {
					"_doc": {
						"dynamic_templates": [
							{
								"strings_as_keywords": {
									"unmatch": "log",
									"mapping": {
										"type": "keyword"
									},
									"match_mapping_type": "string"
								}
							},
							{
								"log": {
									"mapping": {
										"norms": false,
										"analyzer": "standard",
										"type": "text"
									},
									"match_mapping_type": "string",
									"match": "log"
								}
							},
							{
								"@timestamp": {
									"mapping": {
										"type": "date"
									},
									"match_mapping_type": "date",
									"match": "@timestamp"
								}
							}
						],
						"properties": {
							"cluster": {
								"type": "keyword"
							},
							"kubernetes": {
								"properties": {
									"container_name": {
										"type": "keyword"
									},
									"statefulset": {
										"properties": {
											"name": {
												"type": "keyword"
											}
										}
									},
									"annotations": {
										"properties": {
											"helm_sh/namespace": {
												"type": "keyword"
											},
											"helm_sh/release": {
												"type": "keyword"
											}
										}
									},
									"namespace_uid": {
										"type": "keyword"
									},
									"namespace_labels": {
										"properties": {
											"kubernetes_io/metadata_name": {
												"type": "keyword"
											},
											"control-plane": {
												"type": "keyword"
											}
										}
									},
									"namespace_name": {
										"type": "keyword"
									},
									"pod_name": {
										"type": "keyword"
									}
								}
							},
							"log": {
								"norms": false,
								"analyzer": "standard",
								"type": "text"
							},
							"node_name": {
								"type": "keyword"
							},
							"@timestamp": {
								"type": "date"
							}
						}
					}
				},
				"aliases": [],
				"primary_terms": {
					"__primary_terms_jiankunking_comment__": "某个分片被选为主分片的次数，用于区分新旧主分片;https://www.devopsschool.com/blog/what-is-seq_no-and-primary_term-in-elasticsearch/",
					"0": 1,
					"1": 2,
					"2": 4,
					"3": 3,
					"4": 1,
					"5": 7,
					"6": 4
				},
				"in_sync_allocations": {
					"__in_sync_allocations_jiankunking_comment__": "同步分片列表，代表某个分片中拥有最新数据的分片列表",
					"5": [
						"pYyuBTo0QVeuvY2PrADVJQ",
						"zfP06et8TOuy3NAUirRO1w"
					],
					"6": [
						"EQl7pge5ST26Wnz-lGLB6g",
						"J1PeYw0fSpyNdNl_PJ1PAA"
					],
					"2": [
						"BmcC-XHYR36suKmyGqA_DQ",
						"53scs4-9SuWB-YgZ000SLg"
					],
					"4": [
						"HWbwWFWfRKmiRQXVA7KVrA",
						"539ACU5IQGyjXGcbqDpZcA"
					],
					"3": [
						"o3YjH-7qQpSEX1FQKVUoDQ",
						"DezGojWLSiOKSvEex1vH6Q"
					],
					"1": [
						"jkBt1_D1Sni_3Uo2k8gJow",
						"cyKkS7K2Q1uXY_1F44w9ow"
					],
					"0": [
						"Th7wtq7RQASfrRj5csnz0w",
						"GVifsKOwTlqhxGpgYVOdfQ"
					]
				},
				"rollover_info": {},
				"system": false,
				"timestamp_range": {
					"unknown": true
				}
			}
		},
		"ingest": {
			"pipeline": [
				{
					"id": "xpack_monitoring_6",
					"config": {
						"description": "This pipeline upgrades documents from the older version of the Monitoring API to the newer version (7) by fixing breaking changes in those older documents before they are indexed from the older version (6).",
						"version": 7120099,
						"processors": [
							{
								"script": {
									"source": "ctx._type = null"
								}
							},
							{
								"gsub": {
									"field": "_index",
									"pattern": "(.monitoring-\\w+-)6(-.+)",
									"replacement": "$17$2"
								}
							}
						]
					}
				}
			]
		},
		"index_template": {
			"__index_template_jiankunking_comment__": "模板有两种类型：索引模板和组件模板。 组件模板是可重用的构建块，用于配置映射，设置和别名。 你使用组件模板来构造索引模板，但它们不会直接应用于一组索引。 索引模板可以包含组件模板的集合，也可以直接指定设置，映射和别名。https://blog.csdn.net/UbuntuTouch/article/details/113751797",
			"index_template": {
				"logs": {
					"index_patterns": [
						"logs-*-*"
					],
					"composed_of": [
						"logs-mappings",
						"logs-settings"
					],
					"priority": 100,
					"version": 0,
					"_meta": {
						"description": "default logs template installed by x-pack",
						"managed": true
					},
					"data_stream": {
						"hidden": false
					},
					"allow_auto_create": true
				}
			}
		},
		"data_stream": {
			"data_stream": {
				"ilm-history-5": {
					"name": "ilm-history-5",
					"timestamp_field": {
						"name": "@timestamp"
					},
					"indices": [
						{
							"index_name": ".ds-ilm-history-5-2023.07.18-000024",
							"index_uuid": "ovhEhrqgQmq6MR4pLk2m4A"
						},
						{
							"index_name": ".ds-ilm-history-5-2023.08.17-000025",
							"index_uuid": "5zw095VyRJyWBlAovftH3g"
						},
						{
							"index_name": ".ds-ilm-history-5-2023.09.16-000026",
							"index_uuid": "nIRDt047TmSLIc-P7fW4Ug"
						},
						{
							"index_name": ".ds-ilm-history-5-2023.10.16-000027",
							"index_uuid": "1F4fEU6YTnynu06PWcZ9LQ"
						}
					],
					"generation": 27,
					"_meta": {
						"description": "index template for ILM history indices",
						"managed": true
					},
					"hidden": true,
					"replicated": false,
					"system": false
				}
			}
		},
		"index-graveyard": {
			"__index-graveyard_jiankunking_comment__": "index-graveyard：索引墓碑。记录已删除的索引，并保存一段时间。索引删除是主节点通过下发集群状态来执行的;各节点处理集群状态是异步的过程。例如，索引分片分布在5个节点上，删除索引期间，某个节点是“down”掉的，没有执行删除逻辑;当这个节点恢复的时候，其存储的已删除的索引会被当作孤立资源加入集群,索引死而复活。墓碑的作用就是防止发生这种情况。",
			"tombstones": [
				{
					"__tombstones_jiankunking_comment__": "已删除的索引列表"
				},
				{
					"index": {
						"index_name": "logstash-hic-2023.10.13",
						"index_uuid": "wLl2HTaDQ7-UuKuvpu_Y8w"
					},
					"delete_date_in_millis": 1699068185273
				},
				{
					"index": {
						"index_name": "logstash-mplat-2023.10.13",
						"index_uuid": "sDM_kklIST6ym1cLZ3RKDQ"
					},
					"delete_date_in_millis": 1699068185273
				}
			]
		},
		"index_lifecycle": {
			"policies": {
				"kibana-event-log-policy": {
					"policy": {
						"phases": {
							"hot": {
								"min_age": "0ms",
								"actions": {
									"rollover": {
										"max_size": "50gb",
										"max_age": "30d"
									}
								}
							},
							"delete": {
								"min_age": "90d",
								"actions": {
									"delete": {
										"delete_searchable_snapshot": true
									}
								}
							}
						}
					},
					"headers": {},
					"version": 1,
					"modified_date": 1630029263987,
					"modified_date_string": "2021-08-27T01:54:23.987Z"
				},
				"logs": {
					"policy": {
						"phases": {
							"hot": {
								"min_age": "0ms",
								"actions": {
									"rollover": {
										"max_primary_shard_size": "50gb",
										"max_age": "30d"
									}
								}
							}
						}
					},
					"headers": {},
					"version": 1,
					"modified_date": 1630029123825,
					"modified_date_string": "2021-08-27T01:52:03.825Z"
				}
			},
			"operation_mode": "RUNNING"
		},
		"component_template": {
			"__component_template_jiankunking_comment__": "模板有两种类型：索引模板和组件模板。 组件模板是可重用的构建块，用于配置映射，设置和别名。 你使用组件模板来构造索引模板，但它们不会直接应用于一组索引。 索引模板可以包含组件模板的集合，也可以直接指定设置，映射和别名。https://blog.csdn.net/UbuntuTouch/article/details/113751797",
			"component_template": {
				"logs-settings": {
					"template": {
						"settings": {
							"index": {
								"lifecycle": {
									"name": "logs"
								},
								"codec": "best_compression",
								"query": {
									"default_field": [
										"message"
									]
								}
							}
						}
					},
					"version": 0,
					"_meta": {
						"description": "default settings for the logs index template installed by x-pack",
						"managed": true
					}
				},
				"logs-mappings": {
					"template": {
						"mappings": {
							"dynamic_templates": [
								{
									"strings_as_keyword": {
										"mapping": {
											"ignore_above": 1024,
											"type": "keyword"
										},
										"match_mapping_type": "string"
									}
								}
							],
							"date_detection": false,
							"properties": {
								"@timestamp": {
									"type": "date"
								},
								"ecs": {
									"properties": {
										"version": {
											"ignore_above": 1024,
											"type": "keyword"
										}
									}
								},
								"data_stream": {
									"properties": {
										"namespace": {
											"type": "constant_keyword"
										},
										"type": {
											"type": "constant_keyword",
											"value": "logs"
										},
										"dataset": {
											"type": "constant_keyword"
										}
									}
								},
								"host": {
									"properties": {
										"ip": {
											"type": "ip"
										}
									}
								},
								"message": {
									"type": "text"
								}
							}
						}
					},
					"version": 0,
					"_meta": {
						"description": "default mappings for the logs index template installed by x-pack",
						"managed": true
					}
				}
			}
		}
	},
	"routing_table": {
		"__routing_table_jiankunking_comment__": "内容路由表,存储某个分片位于哪个节点的信息,通过分片找到节点。",
		"indices": {
			"__indices_jiankunking_comment__": "全部索引列表",
			"logstash-bsr-2023.10.23": {
				"shards": {
					"__shards_jiankunking_comment__": "该索引的全部分片列表",
					"5": [
						{
							"state": "STARTED",
							"__state_jiankunking_comment__": "分片可能的状态: UNASSIGNED、INITIALIZING、STARTED、RELOCATING",
							"primary": false,
							"node": "uzGdH3VeRbOlcDIWeKdgIw",
							"__relocating_node_jiankunking_comment__": "正在relocation到哪个节点",
							"relocating_node": null,
							"shard": 5,
							"index": "logstash-bsr-2023.10.23",
							"allocation_id": {
								"id": "TLi8WkbHTrSalefIIyUYgA"
							}
						},
						{
							"state": "STARTED",
							"primary": true,
							"node": "1VQFmt9jQ-6d7fCMjP-vnQ",
							"relocating_node": null,
							"shard": 5,
							"index": "logstash-bsr-2023.10.23",
							"allocation_id": {
								"__jiankunking_comment__": "分片唯一的allocation_id配合in_sync_allocations使用",
								"id": "M7FK6iV0RDSH_DYwSbdhrA"
							}
						}
					]
				}
			}
		}
	},
	"routing_nodes": {
		"__routing_nodes_jiankunking_comment__": "储某个节点存储了哪些分片的信息。通过节点找到分片",
		"unassigned": [],
		"nodes": {
			"hYrrmhLHTx-QHoDmZ2wATg": [
				{
					"state": "STARTED",
					"primary": false,
					"node": "hYrrmhLHTx-QHoDmZ2wATg",
					"relocating_node": null,
					"shard": 1,
					"index": "logstash-bsr-2023.10.23",
					"allocation_id": {
						"id": "ifq-S_55Rs-o-jNWx5JPkQ"
					}
				}
			]
		}
	}
}
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