ES closed for no reason

Elastic Stack Elasticsearch
1

Swap closed, and 40GB allocated for heap.

[2017-02-21T02:42:26,604][INFO ][o.e.m.j.JvmGcMonitorService] [node-10.75.28.181] [gc][10708] overhead, spent [331ms] collecting in the last [1s]
[2017-02-21T02:44:31,127][INFO ][o.e.m.j.JvmGcMonitorService] [node-10.75.28.181] [gc][10832] overhead, spent [325ms] collecting in the last [1s]
[2017-02-21T02:52:43,118][INFO ][o.e.m.j.JvmGcMonitorService] [node-10.75.28.181] [gc][11322] overhead, spent [288ms] collecting in the last [1s]
[2017-02-21T02:59:56,925][INFO ][o.e.m.j.JvmGcMonitorService] [node-10.75.28.181] [gc][11754] overhead, spent [263ms] collecting in the last [1s]
[2017-02-21T03:04:05,903][INFO ][o.e.m.j.JvmGcMonitorService] [node-10.75.28.181] [gc][12002] overhead, spent [283ms] collecting in the last [1s]
[2017-02-21T03:11:23,244][INFO ][o.e.m.j.JvmGcMonitorService] [node-10.75.28.181] [gc][12438] overhead, spent [303ms] collecting in the last [1s]
[2017-02-21T03:26:55,000][INFO ][o.e.n.Node               ] [node-10.75.28.181] stopping ...
[2017-02-21T03:26:56,788][INFO ][o.e.n.Node               ] [node-10.75.28.181] stopped
[2017-02-21T03:26:56,791][INFO ][o.e.n.Node               ] [node-10.75.28.181] closing ...
[2017-02-21T03:26:56,907][INFO ][o.e.n.Node               ] [node-10.75.28.181] closed
2

If you're after some assistance, it pays to provide more than just one sentence and some logs. It's not really clear if you are asking for help or just showing us some logs.

What version are you on? What OS? What JVM? What settings have you changed? How did you notices this?

3

version: 5.2.0
jdk: jdk1.8.0_65
jvm: -Xms40g
-Xmx40g
os: Linux 3.10.0-229.el7.x86_64
Two nodes in my cluster, and master died for no reason

4

Based on that log, something shut the service down.

5

I'm sure nothing shut it down.

6

There's now way to shut ES down via an API. That is a clean request to shutdown that can only happen by something requesting it.

I'd check your OS logs.

7

You mean dmesg, nothing in dmesg when shutdown happens.

8

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