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https://issues.apache.org/jira/browse/HDFS-6499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14031405#comment-14031405
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Aaron T. Myers commented on HDFS-6499:
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OK then, I'll commit this momentarily.
> 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, HDFS-6499.002.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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