es 集群起不来，无法写入数据，查看集群状态为 黄色 

查看日志

Caused by: org.elasticsearch.action.search.SearchPhaseExecutionException: Search rejected due to missing shards [[.kibana_task_manager_1][0]]. Consider using `allow_partial_search_results` setting to bypass this error.
	at org.elasticsearch.action.search.AbstractSearchAsyncAction.run(AbstractSearchAsyncAction.java:193) ~[elasticsearch-7.6.2.jar:7.6.2]
	at org.elasticsearch.action.search.AbstractSearchAsyncAction.executePhase(AbstractSearchAsyncAction.java:347) [elasticsearch-7.6.2.jar:7.6.2]
	... 95 more

查看索引状态，发现很多状态为黄色的索引

 curl -s  'http://192.168.1.125:9200/_cat/indices/?v' | grep yellow

 删除掉黄色的索引

[root@node1 ~]#  curl -s  'http://192.168.1.125:9200/_cat/indices/?v' | grep yellow | awk '{print $3}' | xargs -i curl -XDELETE http://192.168.1.125:9200/{}
{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}{"acknowledged":true}[root@node1 ~]#

再次查看集群恢复正常，可以正常写入日志

{
  "cluster_name" : "my-application",
  "status" : "green",
  "timed_out" : false,
  "number_of_nodes" : 3,
  "number_of_data_nodes" : 3,
  "active_primary_shards" : 1337,
  "active_shards" : 2674,
  "relocating_shards" : 0,
  "initializing_shards" : 0,
  "unassigned_shards" : 0,
  "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" : 100.0
}