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Mark Miller commented on LUCENE-1877:
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Oh, okay, cool - that makes me feel a little better.
Though new users seeing it as the default now - thats not the worst situation, but I would
almost prefer the change go through a dev cycle as the default.
If others are not feeling as cautious, I wouldn't vote against.
> 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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