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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-5588) We should also fsync the directory when committing
Date Tue, 06 Jan 2015 13:17:35 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-5588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14266074#comment-14266074
] 

Uwe Schindler commented on LUCENE-5588:
---------------------------------------

Hi,

This is about LUCENE.NET, has nothing to do with Lucene Java. In Java, syncing directories
with Java 7 works on Linux (and that’s documented and tested).
Please don't refer to LUCENE JIRA issues from pull requests to other projects, because this
leads to confusion.

Uwe

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de




> 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, Trunk
>
>         Attachments: LUCENE-5588-nonexistfix.patch, 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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