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https://issues.apache.org/jira/browse/FLUME-2886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hari Shreedharan updated FLUME-2886:
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Attachment: FLUME-2886.patch
This fixes the issue and adds a unit test
> Optional Channels can cause OOMs
> --------------------------------
>
> Key: FLUME-2886
> URL: https://issues.apache.org/jira/browse/FLUME-2886
> Project: Flume
> Issue Type: Bug
> Reporter: Hari Shreedharan
> Assignee: Hari Shreedharan
> Attachments: FLUME-2886.patch
>
>
> If an optional channel is full, the queue backing the executor that is
> asynchronously submitting the events to the channel can grow indefinitely in
> size leading to a huge number of events on the heap and causing OOMs.
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