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https://issues.apache.org/jira/browse/FLUME-1593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13459057#comment-13459057
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Hari Shreedharan commented on FLUME-1593:
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Brock,
I agree that there is a race condition here, which has been known for a while.
Frankly, I am ok with that existing - since the put/take/commit will fail if
the writer is closed and the transactional mechanism will trigger a retry. I am
not too inclined with having a complex mechanism to prevent a race condition,
which is known to be quite harmless.
> FileChannel race condition when log file rolls
> ----------------------------------------------
>
> Key: FLUME-1593
> URL: https://issues.apache.org/jira/browse/FLUME-1593
> Project: Flume
> Issue Type: Improvement
> Components: Channel
> Affects Versions: v1.3.0
> Reporter: Brock Noland
> Assignee: Brock Noland
> Priority: Minor
> Attachments: FLUME-1593-0.patch
>
>
> There is a non-harmful race condition when we roll a log. One thread can call
> logFiles.get(logFileIndex).{take,put,etc} while another is closing that log
> writer.
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