elasticsearch 状态查看：health为 yellow的解决办法 --------------------- ```shell [root@VM_0_4_centos ~]# curl -XGET http://localhost:9200/_cluster/health?pretty=true { "cluster_name" : "elasticsearch", "status" : "yellow", "timed_out" : false, "number_of_nodes" : 1, "number_of_data_nodes" : 1, "active_primary_shards" : 9, "active_shards" : 9, "relocating_shards" : 0, "initializing_shards" : 0, "unassigned_shards" : 6, "delayed_unassigned_shards" : 0, "number_of_pending_tasks" : 0, "number_of_in_flight_fetch" : 0, "task_max_waiting_in_queue_millis" : 0, "active_shards_percent_as_number" : 60.0 } ``` 运行命令： ```shell [root@VM_0_4_centos ~]# curl -H "Content-Type: application/json" -XPUT 'http://localhost:9200/_settings' -d ' > { > "index" : { > "number_of_replicas" : 0 > } > }' {"acknowledged":true} ``` 检查运行是否成功： ---------- ```shell [root@VM_0_4_centos ~]# curl 'localhost:9200/_cat/indices?v' health status index uuid pri rep docs.count docs.deleted store.size pri.store.size green open .kibana eexQJ9RSQu6UgwvtrHmujw 1 0 17 1 49.2kb 49.2kb green open .monitoring-kibana-6-2018.09.22 GJNtqDtfRPGOHCNiuKxqmg 1 0 3313 0 919.7kb 919.7kb green open articles kLEiHHw6Rk67GynPFOF82w 5 0 5 0 98.4kb 98.4kb green open apm-6.4.1-onboarding-2018.09.22 H4cZ6-cASFytVL8J8oADoQ 1 0 1 0 5.9kb 5.9kb green open .monitoring-es-6-2018.09.22 cDhB2cu0Snm40EANHZDh_Q 1 0 33167 87 13.3mb 13.3mb ```