It's standard practise to use 50% of system memory for the heap.
How much RAM you need depends on how long you want to keep your data around
for. So, given you have ~200GB now on 4GB of RAM, you can probably
extrapolate that out based on your needs.
Regards,
Mark Walkom
Infrastructure Engineer
Campaign Monitor
email: ma...@campaignmonitor.com
web: www.campaignmonitor.com
On 12 May 2014 19:33, Abhishek Tiwari <erb...@gmail.com> wrote:
> add more memory
>
>
> i am doing 15 million docs, which total to ~9G. The average doc size is
> ~2KB.
>
> 1. How much memory would you suggest for my use-case?
> 2.Also, is it prudent for me to have half of OS memory dedicated to
> elasticsearch?
>
>
> On Monday, 12 May 2014 14:03:19 UTC+5:30, Mark Walkom wrote:
>>
>> You need to reduce your data size, add more memory or add another node.
>>
>> Basically, you've reached the limits of that node.
>>
>> Regards,
>> Mark Walkom
>>
>> Infrastructure Engineer
>> Campaign Monitor
>> email: ma...@campaignmonitor.com
>> web: www.campaignmonitor.com
>>
>>
>> On 12 May 2014 16:38, Abhishek Tiwari <erb...@gmail.com> wrote:
>>
>>> 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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