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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6499) can't tell why FileJournalManager's call to java.io.File.renameTo() fails
Date Sat, 07 Jun 2014 00:06:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14020563#comment-14020563
] 

Yongjun Zhang commented on HDFS-6499:
-------------------------------------

HI [~atm], thanks for the discussion. Would you please help reviewing the patch? thanks.

> can't tell why FileJournalManager's call to java.io.File.renameTo() fails
> -------------------------------------------------------------------------
>
>                 Key: HDFS-6499
>                 URL: https://issues.apache.org/jira/browse/HDFS-6499
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.4.0
>            Reporter: Yongjun Zhang
>            Assignee: Yongjun Zhang
>         Attachments: HDFS-6499.001.patch
>
>
> java.io.File's method renameTo()  returns boolean (true for success and false for failure).
If any call to this method failed, the caller can't tell why it failed.
> Filing this jira to address this issue in FileJournalManager by using hadoop nativeio
alternative.



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