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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2011/09/15 00:12:10 UTC
[jira] [Updated] (LUCENE-3237) FSDirectory.fsync() may not work
properly
[ https://issues.apache.org/jira/browse/LUCENE-3237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael McCandless updated LUCENE-3237:
---------------------------------------
Fix Version/s: (was: 3.4)
3.5
> FSDirectory.fsync() may not work properly
> -----------------------------------------
>
> Key: LUCENE-3237
> URL: https://issues.apache.org/jira/browse/LUCENE-3237
> Project: Lucene - Java
> Issue Type: Bug
> Components: core/store
> Reporter: Shai Erera
> Fix For: 3.5, 4.0
>
>
> Spinoff from LUCENE-3230. FSDirectory.fsync() opens a new RAF, sync() its FileDescriptor and closes RAF. It is not clear that this syncs whatever was written to the file by other FileDescriptors. It would be better if we do this operation on the actual RAF/FileOS which wrote the data. We can add sync() to IndexOutput and FSIndexOutput will do that.
> Directory-wise, we should stop syncing on file names, and instead sync on the IOs that performed the write operations.
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