My elasticsearch node is a AWS EC2 c3.xlarge (7.5G mem).
Elasticsearch starts as-
498 31810 99.6 64.6 163846656 4976944 ? Sl 06:03 26:10
/usr/bin/java *-Xms4g -Xmx4g -Xss256k* -Djava.awt.headless=true
-XX:+UseParNewGC -XX:+UseConcMarkSweepGC
-XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly
-XX:+HeapDumpOnOutOfMemoryError -Delasticsearch
-Des.pidfile=/var/run/elasticsearch/elasticsearch.pid
-Des.path.home=/usr/share/elasticsearch -cp
:/usr/share/elasticsearch/lib/elasticsearch-1.1.1.jar:/usr/share/elasticsearch/lib/*:/usr/share/elasticsearch/lib/sigar/*
-Des.default.path.home=/usr/share/elasticsearch
-Des.default.path.logs=/var/log/elasticsearch
-Des.default.path.data=/var/lib/elasticsearch
-Des.default.path.work=/tmp/elasticsearch
-Des.default.path.conf=/etc/elasticsearch
org.elasticsearch.bootstrap.Elasticsearch
The node stopped responding (the ip:9200 status page), and so did kibana.
It started working fine on a restart.
i have logstash format docs wherein the index rotates daily.
Stats:
Daily: ~11G docs, ~15 million.
Total: 195G docs, ~300 million.
The logs of the time when it stopped responding are-
[2014-05-12 03:39:08,789][INFO ][cluster.metadata ] [Hannibal King]
[logstash-2014.05.12] update_mapping [medusa_ex] (dynamic)
[2014-05-12 03:40:52,293][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][240428][35773] duration [6.3s], collections [1]/[6.5s], total
[6.3s]/[4.7h], memory [3.8gb]->[3.6gb]/[3.9gb], all_pools {[young]
[150.3mb]->[1.7mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 03:44:11,739][INFO ][cluster.metadata ] [Hannibal King]
[logstash-2014.05.12] update_mapping [medusa_ex] (dynamic)
[2014-05-12 03:45:32,191][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][240703][35812] duration [5.2s], collections [1]/[5.8s], total
[5.2s]/[4.7h], memory [3.7gb]->[3.6gb]/[3.9gb], all_pools {[young]
[197.4mb]->[9.3mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.5gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:06:01,224][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][241926][35985] duration [6s], collections [1]/[6.2s], total
[6s]/[4.7h], memory [3.7gb]->[3.6gb]/[3.9gb], all_pools {[young]
[134.7mb]->[9.9mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.5gb]/[3.6gb]}
[2014-05-12 04:08:14,473][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242049][36004] duration [5.8s], collections [1]/[5.9s], total
[5.8s]/[4.7h], memory [3.8gb]->[3.6gb]/[3.9gb], all_pools {[young]
[165.1mb]->[2.7mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:09:07,473][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242096][36011] duration [6.2s], collections [1]/[6.7s], total
[6.2s]/[4.7h], memory [3.9gb]->[3.6gb]/[3.9gb], all_pools {[young]
[265.9mb]->[2.9mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.5gb]/[3.6gb]}
[2014-05-12 04:10:08,387][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242152][36020] duration [5.4s], collections [1]/[5.6s], total
[5.4s]/[4.7h], memory [3.8gb]->[3.5gb]/[3.9gb], all_pools {[young]
[176.5mb]->[5.8mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.5gb]/[3.6gb]}
[2014-05-12 04:13:12,774][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242326][36046] duration [5.6s], collections [1]/[5.8s], total
[5.6s]/[4.7h], memory [3.8gb]->[3.5gb]/[3.9gb], all_pools {[young]
[167.4mb]->[12.9mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.5gb]/[3.6gb]}
[2014-05-12 04:14:22,729][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242386][36057] duration [6.3s], collections [1]/[6.5s], total
[6.3s]/[4.7h], memory [3.8gb]->[3.6gb]/[3.9gb], all_pools {[young]
[224.2mb]->[3.5mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:15:12,192][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242431][36064] duration [5.2s], collections [1]/[5.4s], total
[5.2s]/[4.7h], memory [3.8gb]->[3.6gb]/[3.9gb], all_pools {[young]
[234mb]->[2.4mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:15:32,344][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242445][36067] duration [6.3s], collections [1]/[7.1s], total
[6.3s]/[4.7h], memory [3.6gb]->[3.7gb]/[3.9gb], all_pools {[young]
[1.2mb]->[34.7mb]/[266.2mb]}{[survivor] [33.2mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:15:39,627][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242446][36068] duration [6.7s], collections [1]/[7.2s], total
[6.7s]/[4.7h], memory [3.7gb]->[3.7gb]/[3.9gb], all_pools {[young]
[34.7mb]->[45.7mb]/[266.2mb]}{[survivor] [0b]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:15:51,547][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242448][36070] duration [6.5s], collections [1]/[7s], total
[6.5s]/[4.7h], memory [3.6gb]->[3.7gb]/[3.9gb], all_pools {[young]
[24.4mb]->[32.2mb]/[266.2mb]}{[survivor] [0b]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:16:03,300][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242451][36072] duration [5.8s], collections [1]/[5.9s], total
[5.8s]/[4.7h], memory [3.9gb]->[3.6gb]/[3.9gb], all_pools {[young]
[266.2mb]->[21.9mb]/[266.2mb]}{[survivor] [23.4mb]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:16:12,454][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242454][36073] duration [6.6s], collections [1]/[7s], total
[6.6s]/[4.7h], memory [3.8gb]->[3.7gb]/[3.9gb], all_pools {[young]
[196.8mb]->[33.2mb]/[266.2mb]}{[survivor] [0b]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:16:24,635][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242457][36075] duration [5.7s], collections [1]/[5.8s], total
[5.7s]/[4.8h], memory [3.9gb]->[3.7gb]/[3.9gb], all_pools {[young]
[246.4mb]->[44.3mb]/[266.2mb]}{[survivor] [0b]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:16:32,239][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242459][36076] duration [6.4s], collections [1]/[6.6s], total
[6.4s]/[4.8h], memory [3.8gb]->[3.7gb]/[3.9gb], all_pools {[young]
[221.5mb]->[31.9mb]/[266.2mb]}{[survivor] [0b]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:16:43,990][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242461][36078] duration [6.4s], collections [1]/[6.9s], total
[6.4s]/[4.8h], memory [3.7gb]->[3.7gb]/[3.9gb], all_pools {[young]
[40.5mb]->[64.2mb]/[266.2mb]}{[survivor] [0b]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:16:51,259][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242462][36079] duration [6.6s], collections [1]/[7.2s], total
[6.6s]/[4.8h], memory [3.7gb]->[3.7gb]/[3.9gb], all_pools {[young]
[64.2mb]->[74.6mb]/[266.2mb]}{[survivor] [0b]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:16:58,791][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242463][36080] duration [7s], collections [1]/[7.5s], total
[7s]/[4.8h], memory [3.7gb]->[3.7gb]/[3.9gb], all_pools {[young]
[74.6mb]->[89.7mb]/[266.2mb]}{[survivor] [0b]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
[2014-05-12 04:17:06,028][INFO ][monitor.jvm ] [Hannibal King]
[gc][old][242464][36081] duration [6.7s], collections [1]/[7.2s], total
[6.7s]/[4.8h], memory [3.7gb]->[3.7gb]/[3.9gb], all_pools {[young]
[89.7mb]->[93.2mb]/[266.2mb]}{[survivor] [0b]->[0b]/[33.2mb]}{[old]
[3.6gb]->[3.6gb]/[3.6gb]}
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