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https://issues.apache.org/jira/browse/LUCENE-1726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12728833#action_12728833
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Jason Rutherglen commented on LUCENE-1726:
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Mike,
I was wondering if you can recommend techniques or tools for
debugging this type of multithreading issue? (i.e. how do you go
about figuring this type of issue out?)
> IndexWriter.readerPool create new segmentReader outside of sync block
> ---------------------------------------------------------------------
>
> Key: LUCENE-1726
> URL: https://issues.apache.org/jira/browse/LUCENE-1726
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Affects Versions: 2.4.1
> Reporter: Jason Rutherglen
> Assignee: Michael McCandless
> Priority: Trivial
> Fix For: 3.1
>
> Attachments: LUCENE-1726.patch, LUCENE-1726.patch, LUCENE-1726.patch,
> LUCENE-1726.patch, LUCENE-1726.trunk.test.patch
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> I think we will want to do something like what field cache does
> with CreationPlaceholder for IndexWriter.readerPool. Otherwise
> we have the (I think somewhat problematic) issue of all other
> readerPool.get* methods waiting for an SR to warm.
> It would be good to implement this for 2.9.
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