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Date: Thu, 18 Jun 2009 15:54:07 -0700 (PDT)
From: "Jason Rutherglen (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Updated: (LUCENE-1313) Near Realtime Search
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     [ https://issues.apache.org/jira/browse/LUCENE-1313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Rutherglen updated LUCENE-1313:
-------------------------------------

    Attachment: LUCENE-1313.patch

* TestThreadedOptimize passes, LogMergePolicy now filters the
segmentInfos based on the dir, rather than NRTMergePolicy
passing in only ramInfos or primaryInfos. LogMergePolicy is
careful to select contiguous segments, by passing in a subset of
segmentInfos, the merge policy selection broke down.

* TestIndexWriter.testAddIndexOnDiskFull,
testAddIndexesWithCloseNoWait fails, which I don't think
happened before. testAddIndexOnDiskFull fails when
autoCommit=true which I'm not sure is a valid test by the time
this patch goes in but it probably needs to be looked into. 

The other previous notes are still valid.

> Near Realtime Search
> --------------------
>
>                 Key: LUCENE-1313
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1313
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Index
>    Affects Versions: 2.4.1
>            Reporter: Jason Rutherglen
>            Priority: Minor
>             Fix For: 3.1
>
>         Attachments: LUCENE-1313.jar, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, lucene-1313.patch, lucene-1313.patch, lucene-1313.patch, lucene-1313.patch
>
>
> Enable near realtime search in Lucene without external
> dependencies. When RAM NRT is enabled, the implementation adds a
> RAMDirectory to IndexWriter. Flushes go to the ramdir unless
> there is no available space. Merges are completed in the ram
> dir until there is no more available ram. 
> IW.optimize and IW.commit flush the ramdir to the primary
> directory, all other operations try to keep segments in ram
> until there is no more space.

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