[2016-07-01 03:01:12,039][INFO ][monitor.jvm              ] [elk-es4] [gc][young][58630][2147] duration [737ms], collections [1]/[1.6s], total [737ms]/[2.7m], memory [18.7gb]->[17.5gb]/[30gb], all_pools {[young] [936mb]->[0b]/[0b]}{[survivor] [216mb]->[56mb]/[0b]}{[old] [17.6gb]->[17.5gb]/[30gb]}
[2016-07-01 11:56:23,071][INFO ][monitor.jvm              ] [elk-es4] [gc][old][90727][1] duration [6s], collections [1]/[6.2s], total [6s]/[6s], memory [25.1gb]->[22.8gb]/[30gb], all_pools {[young] [104mb]->[8mb]/[0b]}{[survivor] [192mb]->[0b]/[0b]}{[old] [24.8gb]->[22.8gb]/[30gb]}
[2016-07-01 11:57:38,504][INFO ][monitor.jvm              ] [elk-es4] [gc][young][90802][2385] duration [917ms], collections [1]/[1.1s], total [917ms]/[2.9m], memory [27.3gb]->[24.5gb]/[30gb], all_pools {[young] [1.2gb]->[32mb]/[0b]}{[survivor] [40mb]->[0b]/[0b]}{[old] [26gb]->[24.5gb]/[30gb]}
[2016-07-01 11:59:00,359][INFO ][monitor.jvm              ] [elk-es4] [gc][old][90879][2] duration [5.7s], collections [1]/[5.8s], total [5.7s]/[11.8s], memory [26.1gb]->[25.1gb]/[30gb], all_pools {[young] [48mb]->[16mb]/[0b]}{[survivor] [40mb]->[0b]/[0b]}{[old] [26gb]->[25.1gb]/[30gb]}
[2016-07-01 12:02:40,033][INFO ][monitor.jvm              ] [elk-es4] [gc][old][91040][15] duration [20.2s], collections [4]/[20.4s], total [20.2s]/[1.2m], memory [27.4gb]->[27.4gb]/[30gb], all_pools {[young] [0b]->[0b]/[0b]}{[survivor] [0b]->[0b]/[0b]}{[old] [27.4gb]->[27.4gb]/[30gb]}
[2016-07-01 12:07:22,161][WARN ][netty.channel.socket.nio.AbstractNioSelector] Unexpected exception in the selector loop.
java.lang.OutOfMemoryError: Java heap space
[2016-07-01 12:07:22,163][WARN ][netty.channel.socket.nio.AbstractNioSelector] Unexpected exception in the selector loop.
java.lang.OutOfMemoryError: Java heap space
[2016-07-01 12:07:22,162][WARN ][netty.channel.socket.nio.AbstractNioSelector] Unexpected exception in the selector loop.
java.lang.OutOfMemoryError: Java heap space
[2016-07-01 12:07:22,163][WARN ][netty.channel.socket.nio.AbstractNioSelector] Unexpected exception in the selector loop.
java.lang.OutOfMemoryError: Java heap space
        at java.lang.Integer.valueOf(Integer.java:832)
        at sun.nio.ch.EPollSelectorImpl.updateSelectedKeys(EPollSelectorImpl.java:120)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:98)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at org.elasticsearch.common.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163)
        at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212)
        at org.elasticsearch.common.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
        at org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
        at org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)