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https://issues.apache.org/jira/browse/HADOOP-13725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15587885#comment-15587885
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Yulei Li commented on HADOOP-13725:
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Could you describe the problem more detailed? In the MapFile source code, I see
it have append method and before appending the method actually checks the new
key. So how to reproduce your problem? Thanks
> Open MapFile for append
> -----------------------
>
> Key: HADOOP-13725
> URL: https://issues.apache.org/jira/browse/HADOOP-13725
> Project: Hadoop Common
> Issue Type: New Feature
> Reporter: VITALIY SAVCHENKO
>
> I think it possible to open MapFile for appending.
> SequenceFile support it (Option SequenceFile.Writer.appendIfExists(true)
> HADOOP-7139)
> Now it almost working. But if use SequenceFile.Writer.appendIfExists(true)
> MapFile.Writer - it not read last key and does not check new keys. That's why
> MapFile can be corrupted.
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