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Posted to dev@storm.apache.org by "Michael Noll (JIRA)" <ji...@apache.org> on 2014/06/06 08:46:03 UTC

[jira] [Updated] (STORM-339) Severe memory leak to OOM when ackers disabled

     [ https://issues.apache.org/jira/browse/STORM-339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Noll updated STORM-339:
-------------------------------

    Summary: Severe memory leak to OOM when ackers disabled  (was: serere memory leak to OOM)

> Severe memory leak to OOM when ackers disabled
> ----------------------------------------------
>
>                 Key: STORM-339
>                 URL: https://issues.apache.org/jira/browse/STORM-339
>             Project: Apache Storm (Incubating)
>          Issue Type: Bug
>    Affects Versions: 0.9.2-incubating
>            Reporter: Jiahong Li
>            Priority: Critical
>
> Without any ackers enabled, fast component  will continuously leak memory and causing OOM problems when target component is slow. The OOM problem can be reproduced by running this fast-slow-topology 
> https://github.com/Gvain/storm-perf-test/tree/fast-slow-topology
> with command:
> storm jar storm_perf_test-1.0.0-SNAPSHOT-jar-with-dependencies.jar com.yahoo.storm.perftest.Main --spout 1 --bolt 1 --workers 2 --testTime 600 --messageSize 6400
> And the worker childopts with -Xms2g -Xmx2g -Xmn512m ...
> At the same time, the executed count of target component is far behind from the emitted count of source component. 
> I guess it could be that netty client is buffering too much messages in its mesage_queue as target component sends back OK/Failure Response too slowly. 



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