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https://issues.apache.org/jira/browse/LUCENE-1877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12750117#action_12750117
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Uwe Schindler edited comment on LUCENE-1877 at 9/1/09 2:43 PM:
---------------------------------------------------------------
As nobody else objects, I will update the tests tomorrow and switch to
NativeFSLockFactory for the new ctors and FSDir.open(). The old and deprectated
API is unchanged.
I will also remove the unneeded lock prefix and use the same lock file name as
SimpleFSLockFactory. This would also help users mixing both lock factories
together (by using deprecated code defaulting to Simple and new code defaulting
to Native). The SimpleLockFactory would also detect a lock, if the
NativeFSLockFactory created it (because file has same name). The tests will
then also pass (which depended on file name).
Will go to bed now.
was (Author: thetaphi):
As nobody else objects, I will update the tests tomorrow and switch to
NativeFSLockFactory for the new ctors and FSDir.open(). The old and deprectated
API is unchanged.
Will go to bed now.
> Improve IndexWriter javadoc on locking
> --------------------------------------
>
> Key: LUCENE-1877
> URL: https://issues.apache.org/jira/browse/LUCENE-1877
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Javadocs
> Reporter: Mark Miller
> Priority: Trivial
> Fix For: 2.9
>
> Attachments: LUCENE-1877.patch
>
>
> A user requested we add a note in IndexWriter alerting the availability of
> NativeFSLockFactory (allowing you to avoid retaining locks on abnormal jvm
> exit). Seems reasonable to me - we want users to be able to easily stumble
> upon this class. The below code looks like a good spot to add a note - could
> also improve whats there a bit - opening an IndexWriter does not necessarily
> create a lock file - that would depend on the LockFactory used.
> {code} <p>Opening an <code>IndexWriter</code> creates a lock file for the
> directory in use. Trying to open
> another <code>IndexWriter</code> on the same directory will lead to a
> {...@link LockObtainFailedException}. The {...@link
> LockObtainFailedException}
> is also thrown if an IndexReader on the same directory is used to delete
> documents
> from the index.</p>{code}
> Anyone remember why NativeFSLockFactory is not the default over
> SimpleFSLockFactory?
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