ES集群health为yellow解决办法

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Logstash导入数据后，Cerebro显示集群health的状态为yellow

解决办法

1 curl http://localhost:9200/_cat/indices\?v

1 curl http://localhost:9200/_cluster/health?pretty=true

1 curl -H "Content-Type: application/json" -XPUT 'http://localhost:9200/_settings' -d '
2 {
3     "index" : {
4         "number_of_replicas" : 0
5     }
6 }'

1 curl http://localhost:9200/_cluster/health?pretty=true

再次查看Cerebro，health的状态为green