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https://issues.apache.org/jira/browse/FLUME-2738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14619275#comment-14619275
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Hari Shreedharan commented on FLUME-2738:
-----------------------------------------
I don't see how this fixes the issue. Tracing the {{releaseExternalResources}}
calls only shows a bunch of buffers being cleared up. It is nice to clear up
memory, but where are the sockets or FDs being closed/nulled out? I don't see
that anywhere in the {{releaseExternalResources}} call chain.
> Async HBase sink FD leak on client shutdown
> -------------------------------------------
>
> Key: FLUME-2738
> URL: https://issues.apache.org/jira/browse/FLUME-2738
> Project: Flume
> Issue Type: Bug
> Reporter: Johny Rufus
> Assignee: Johny Rufus
> Attachments: FLUME-2738.patch
>
>
> Currently every time Async Hbase Sink calls HBaseSink.shutdown, there is FD
> leak due to HBaseSink using CustomChannelFactory where
> releaseExternalResources() is overridden to a No-op. Need to replace this
> with a standard NioClientSocketChannelFactory, that releases external
> resources properly
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