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https://issues.apache.org/jira/browse/FLUME-1702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15943005#comment-15943005
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darkz commented on FLUME-1702:
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Yes，I use the "." prefix to skip ".tmp" file,but the flume document dos not
mention it...
> HDFSEventSink should write to a hidden file as opposed to a .tmp file
> ---------------------------------------------------------------------
>
> Key: FLUME-1702
> URL: https://issues.apache.org/jira/browse/FLUME-1702
> Project: Flume
> Issue Type: Improvement
> Reporter: Brock Noland
> Assignee: Jarek Jarcec Cecho
> Fix For: 1.4.0
>
> Attachments: bugFLUME-1702.patch, bugFLUME-1702.patch
>
>
> Currently we write to a .tmp file. The problem is that if MR jobs are being
> run on the directory we are writing to, then it's common for an MR job to
> list the directory, get a .tmp file and then in the mean time the .tmp file
> is renamed causing the job to fail when run.
> Using JavaMR you can use a PathFilter to avoid this, however a custom
> solution is required for Pig, Hive, etc.
> Perhaps we should write to a hidden file so that MR never tries to process
> data in flight.
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