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https://issues.apache.org/jira/browse/FLUME-1860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13846941#comment-13846941
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Brock Noland commented on FLUME-1860:
-------------------------------------

Seems like we had an agreement on on setting the default to math.min(channel 
capacity, 10000)...

This breaks many users so unless there is an objection I will submit a patch. 

> Remove transaction capacity from Memory and File channels
> ---------------------------------------------------------
>
>                 Key: FLUME-1860
>                 URL: https://issues.apache.org/jira/browse/FLUME-1860
>             Project: Flume
>          Issue Type: Bug
>            Reporter: Hari Shreedharan
>
> Transaction Capacity was primarily meant to be a memory safeguard. It ensures 
> that we don't have queues which are massive and can cause OOMs. I wonder if 
> there is a way of fixing this and making sure a malicious RpcClient cannot 
> cause OOMs by sending batches of huge sizes



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