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Date: Thu, 5 May 2011 23:29:03 +0000 (UTC)
From: "Michael McCandless (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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Subject: [jira] [Resolved] (LUCENE-2966) SegmentReader.doCommit should be
 sync'd; norms methods need not be sync'd
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     [ https://issues.apache.org/jira/browse/LUCENE-2966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless resolved LUCENE-2966.
----------------------------------------

    Resolution: Fixed

> SegmentReader.doCommit should be sync'd; norms methods need not be sync'd
> -------------------------------------------------------------------------
>
>                 Key: LUCENE-2966
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2966
>             Project: Lucene - Java
>          Issue Type: Bug
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 3.2, 4.0
>
>         Attachments: LUCENE-2966.patch
>
>
> I fixed the failure in TestNRTThreads, but in the process tripped an assert because SegmentReader.doCommit isn't sync'd.
> So I sync'd it, but I don't think the norms APIs need to be sync'd -- we populate norms up front and then never change them.  Un-sync'ing them is important so that in the NRT case calling IW.commit doesn't block searches trying to pull norms.
> Also some small code refactoring.

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