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From "Jason Rutherglen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1726) IndexWriter.readerPool create new segmentReader outside of sync block
Date Wed, 08 Jul 2009 16:47:14 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Rutherglen updated LUCENE-1726:
-------------------------------------

    Attachment: LUCENE-1726.trunk.test.patch

I tried the test on trunk and get the same error. They're all
docstore related files so maybe extra doc stores are being
opened?

{code} 
    [junit] MockRAMDirectory: cannot close: there are still open files: {_s4.fdt=2, _g2.fdx=2,
_s4.fdx=2, _g2.tvf=2, _dw.fdx=2, _g2.tvd=2, _g2.tvx=2, _ks.tvf=2, _n9.tvx=2, _ks.tvx=2, _n9.fdx=2,
_ks.fdx=2, _dw.cfx=1, _n9.tvf=2, _cp.cfx=1, _s4.tvf=2, _dw.tvx=2, _87.fdx=2, _fr.tvx=2, _87.tvf=2,
_fr.tvd=2, _87.fdt=2, _ks.tvd=2, _s4.tvd=2, _dw.tvd=2, _n9.fdt=2, _g2.fdt=2, _87.tvd=2, _fr.fdt=2,
_dw.fdt=2, _dj.cfx=1, _s4.tvx=2, _ks.fdt=2, _n9.tvd=2, _fr.tvf=2, _fr.fdx=2, _dw.tvf=2, _87.tvx=2}
    [junit] java.lang.RuntimeException: MockRAMDirectory: cannot close: there are still open
files: {_s4.fdt=2, _g2.fdx=2, _s4.fdx=2, _g2.tvf=2, _dw.fdx=2, _g2.tvd=2, _g2.tvx=2, _ks.tvf=2,
_n9.tvx=2, _ks.tvx=2, _n9.fdx=2, _ks.fdx=2, _dw.cfx=1, _n9.tvf=2, _cp.cfx=1, _s4.tvf=2, _dw.tvx=2,
_87.fdx=2, _fr.tvx=2, _87.tvf=2, _fr.tvd=2, _87.fdt=2, _ks.tvd=2, _s4.tvd=2, _dw.tvd=2, _n9.fdt=2,
_g2.fdt=2, _87.tvd=2, _fr.fdt=2, _dw.fdt=2, _dj.cfx=1, _s4.tvx=2, _ks.fdt=2, _n9.tvd=2, _fr.tvf=2,
_fr.fdx=2, _dw.tvf=2, _87.tvx=2}
    [junit] 	at org.apache.lucene.store.MockRAMDirectory.close(MockRAMDirectory.java:278)
    [junit] 	at org.apache.lucene.index.Test1726.testIndexing(Test1726.java:48)
    [junit] 	at org.apache.lucene.util.LuceneTestCase.runTest(LuceneTestCase.java:88)
{code}

> 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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