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https://issues.apache.org/jira/browse/FLUME-2197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14138155#comment-14138155
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Roshan Naik commented on FLUME-2197:
------------------------------------

whats the max heap size you are using ?  if its low you may want to bump it up 
(using flume-env.sh)
the default value used to be quite low.

> Memory Channel has GC issues
> ----------------------------
>
>                 Key: FLUME-2197
>                 URL: https://issues.apache.org/jira/browse/FLUME-2197
>             Project: Flume
>          Issue Type: Bug
>            Reporter: Hari Shreedharan
>            Assignee: Roshan Naik
>         Attachments: HA_result.jpg, mem ch - mem alloc.png, spill ch - mem 
> alloc.png
>
>
> Due to the fact that we use a LinkedBlockingDeque as the backing queue for 
> the MemoryChannel, we end up hitting GC issues more often than we should.



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