[ http://issues.apache.org/jira/browse/LUCENE-750?page=all ]
Yonik Seeley updated LUCENE-750:
--------------------------------
Attachment: IndexInput_finalizer.patch
Changes:
- moved finalizer to the resource that actually needs it... the Descriptor
(subclass of RandomAccessFile). The Descriptor does not get cloned, so we
eliminate the extra finalizer per IndexInput clone.
- Descriptor is now the class that keeps track of if it has been closed or not.
- made Descriptor static... it didn't need to be a normal inner class.
> don't use finalizers for FSIndexInput clones
> --------------------------------------------
>
> Key: LUCENE-750
> URL: http://issues.apache.org/jira/browse/LUCENE-750
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Affects Versions: 2.0.1
> Reporter: Yonik Seeley
> Assigned To: Yonik Seeley
> Attachments: IndexInput_finalizer.patch
>
>
> finalizers are expensive, and we should avoid using them where possible.
> It looks like this helped to tickle some kind of bug (looks like a JVM bug?)
> http://www.nabble.com/15-minute-hang-in-IndexInput.clone%28%29-involving-finalizers-tf2826906.html#a7891015
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