[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-236) Find whether or not indexWriter.optimize() requires an index lock

[Sanne Grinovero (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=31519#action_31519 ] 

Sanne Grinovero commented on HSEARCH-236:
-----------------------------------------

We can't avoid the lock;
It fails even before trying to really optimize: because other threads use the index concurrently, they hold (maybe on turn, but doesn't matter)
the Lucene  write lock.
Even if the optimization task could do it's work without a DP lock, it has good chances to hit a timeoutexception:

org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: SimpleFSLock@/home/sanne/idx/write.lock
	at org.apache.lucene.store.Lock.obtain(Lock.java:85)
	at org.apache.lucene.index.IndexWriter.init(IndexWriter.java:1054)
	at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:698)
	at org.hibernate.search.test.optimizer.OptimizeTask.run(OptimizeTask.java:19)


> Find whether or not indexWriter.optimize() requires an index lock
> -----------------------------------------------------------------
>
>                 Key: HSEARCH-236
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-236
>             Project: Hibernate Search
>          Issue Type: Task
>            Reporter: Emmanuel Bernard
>            Assignee: Sanne Grinovero
>             Fix For: 3.1.0.Beta2
>
>


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