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https://issues.apache.org/jira/browse/FLUME-936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13197422#comment-13197422
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Juhani Connolly commented on FLUME-936:
---------------------------------------
Blocking on 935 makes total sense to me, and as I mentioned there, there was
still a couple of things I was concerned in in that. Once that is settled, I
will fix up any details left. I'll put together another unit test today.
I'm also including in the fixes I made to flume-889 before(that issue can be
cancelled as far as I'm concerned), the ones that prevented data loss on
reconfiguration
> MemoryChannel is not thread safe
> --------------------------------
>
> Key: FLUME-936
> URL: https://issues.apache.org/jira/browse/FLUME-936
> Project: Flume
> Issue Type: Bug
> Components: Channel
> Affects Versions: NG alpha 2
> Reporter: Juhani Connolly
> Assignee: Juhani Connolly
> Fix For: v1.1.0
>
> Attachments: FLUME-936-unittest.patch
>
>
> The memory channel isn't thread safe as a couple of parallel transactions can
> commit/rollback each others entries if called in the wrong order.
> I'm attaching a unit test I made that demonstrates it using a cyclicbarrier
> to force the event order that causes the precondition to fail.
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