如何在Elasticsearch中确定哪些节点离开了集群
[英]How to identify which nodes left cluster in elasticsearch
问题描述
I am trying to find if any API or options are available with elasticsearch cluster to find the list of nodes which are down. 
我正在尝试寻找与Elasticsearch集群一起使用的API或选项是否可用，以查找出现故障的节点列表。
I can currently see the status and nodes which are part of the cluster. 目前，我可以看到群集中的状态和节点。 But how do we find if couple of servers are down and left the cluster. 但是，我们如何确定几个服务器是否已关闭并离开集群。
1 个解决方案
解决方案1
0 已采纳 2018-11-19 03:34:57
You can hit http://localhost:9200/_nodes/stats , Please refer Node API https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-nodes-stats.html for more information, it will list the nodes which are currently online. 您可以访问http://localhost:9200/_nodes/stats ，有关更多信息，请参考Node API https://www.elastic.co/guide/zh-CN/elasticsearch/reference/current/cluster-nodes-stats.html ，它将列出当前在线的节点。
To know the offline nodes, I don't think there is any API, you can use monitor tools like Nagios to see if any node is currently down. 要了解脱机节点，我认为没有任何API，可以使用Nagios等监控工具来查看当前是否有任何节点处于关闭状态。
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