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https://issues.apache.org/jira/browse/LUCENE-5588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13965681#comment-13965681
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ASF subversion and git services commented on LUCENE-5588:
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Commit 1586407 from [email protected] in branch 'dev/trunk'
[ https://svn.apache.org/r1586407 ]
LUCENE-5588: Lucene now calls fsync() on the index directory, ensuring that all
file metadata is persisted on disk in case of power failure.
> We should also fsync the directory when committing
> --------------------------------------------------
>
> Key: LUCENE-5588
> URL: https://issues.apache.org/jira/browse/LUCENE-5588
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/store
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 4.8, 5.0
>
> Attachments: LUCENE-5588.patch, LUCENE-5588.patch, LUCENE-5588.patch
>
>
> Since we are on Java 7 now and we already fixed FSDir.sync to use FileChannel
> (LUCENE-5570), we can also fsync the directory (at least try to do it).
> Unlike RandomAccessFile, which must be a regular file, FileChannel.open() can
> also open a directory:
> http://stackoverflow.com/questions/7694307/using-filechannel-to-fsync-a-directory-with-nio-2
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