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Posted to dev@flume.apache.org by "Jarek Jarcec Cecho (JIRA)" <ji...@apache.org> on 2014/06/27 05:59:24 UTC

[jira] [Commented] (FLUME-2416) Use CodecPool in compressed stream to prevent leak of direct buffers

    [ https://issues.apache.org/jira/browse/FLUME-2416?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14045493#comment-14045493 ] 

Jarek Jarcec Cecho commented on FLUME-2416:
-------------------------------------------

+1

> Use CodecPool in compressed stream to prevent leak of direct buffers
> --------------------------------------------------------------------
>
>                 Key: FLUME-2416
>                 URL: https://issues.apache.org/jira/browse/FLUME-2416
>             Project: Flume
>          Issue Type: Bug
>            Reporter: Hari Shreedharan
>            Assignee: Hari Shreedharan
>         Attachments: FLUME-2416.patch
>
>
> Even though they may no longer be references, Java only cleans up direct buffers on full gc. If there is enough heap available, a full GC is never hit and these buffers are leaked. Hadoop keeps creating new compressors instead of using the pools causing a leak - which is a bug in itself which is being addressed by HADOOP-10591



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