ElasticSearch之Health API

查看当前集群全部健康指标的信息，执行如下命令：

curl -X GET "https://localhost:9200/_health_report?pretty" --cacert $ES_HOME/config/certs/http_ca.crt -u "elastic:ohCxPH=QBE+s5=*lo7F9"

执行结果输出如下：

{
  "status" : "green",
  "cluster_name" : "elasticsearch",
  "indicators" : {
    "master_is_stable" : {
      "status" : "green",
      "symptom" : "The cluster has a stable master node",
      "details" : {
        "current_master" : {
          "node_id" : "aKgBu7LgS9a6iPYH8n2JPw",
          "name" : "jackie-ubuntu"
        },
        "recent_masters" : [
          {
            "node_id" : "aKgBu7LgS9a6iPYH8n2JPw",
            "name" : "jackie-ubuntu"
          }
        ]
      }
    },
    "repository_integrity" : {
      "status" : "green",
      "symptom" : "No snapshot repositories configured."
    },
    "shards_availability" : {
      "status" : "green",
      "symptom" : "This cluster has all shards available.",
      "details" : {
        "initializing_primaries" : 0,
        "restarting_primaries" : 0,
        "started_primaries" : 1,
        "unassigned_replicas" : 0,
        "initializing_replicas" : 0,
        "creating_primaries" : 0,
        "restarting_replicas" : 0,
        "unassigned_primaries" : 0,
        "started_replicas" : 0,
        "creating_replicas" : 0
      }
    },
    "disk" : {
      "status" : "green",
      "symptom" : "The cluster has enough available disk space.",
      "details" : {
        "indices_with_readonly_block" : 0,
        "nodes_with_enough_disk_space" : 1,
        "nodes_with_unknown_disk_status" : 0,
        "nodes_over_high_watermark" : 0,
        "nodes_over_flood_stage_watermark" : 0
      }
    },
    "shards_capacity" : {
      "status" : "green",
      "symptom" : "The cluster has enough room to add new shards.",
      "details" : {
        "data" : {
          "max_shards_in_cluster" : 1000
        },
        "frozen" : {
          "max_shards_in_cluster" : 3000
        }
      }
    },
    "slm" : {
      "status" : "green",
      "symptom" : "No Snapshot Lifecycle Management policies configured",
      "details" : {
        "slm_status" : "RUNNING",
        "policies" : 0
      }
    },
    "ilm" : {
      "status" : "green",
      "symptom" : "Index Lifecycle Management is running",
      "details" : {
        "policies" : 20,
        "stagnating_indices" : 0,
        "ilm_status" : "RUNNING"
      }
    }
  }
}

查看当前集群健康指标比如shards_availability的信息，执行如下命令：

curl -X GET "https://localhost:9200/_health_report/shards_availability?pretty" --cacert $ES_HOME/config/certs/http_ca.crt -u "elastic:ohCxPH=QBE+s5=*lo7F9"

执行结果输出如下：

{
  "cluster_name" : "elasticsearch",
  "indicators" : {
    "shards_availability" : {
      "status" : "green",
      "symptom" : "This cluster has all shards available.",
      "details" : {
        "initializing_primaries" : 0,
        "restarting_primaries" : 0,
        "started_primaries" : 1,
        "unassigned_replicas" : 0,
        "initializing_replicas" : 0,
        "creating_primaries" : 0,
        "restarting_replicas" : 0,
        "unassigned_primaries" : 0,
        "started_replicas" : 0,
        "creating_replicas" : 0
      }
    }
  }
}

目前支持的指标：

• master_is_stable
• shards_availability
• disk
• ilm，即Indexing Lifecycle Management
• repository_integrity
• slm，即Snapshot Lifecycle Management
• shards_capacity

相关资料

• Health API