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[jira] Commented: (LUCENE-550) InstantiatedIndex - faster but memory con

Subject: [jira] Commented: (LUCENE-550) InstantiatedIndex - faster but memory consuming index
From: "Karl Wettin (JIRA)"
Date: Sat, 17 Feb 2007 03:32:05 -0800 PST

Karl Wettin commented on LUCENE-550:

I'll try to keep updated and built javadocs at this location:


(Sorry for flooding..)

> InstantiatedIndex - faster but memory consuming index
> -----------------------------------------------------
>                 Key: LUCENE-550
>                 URL: https://issues.apache.org/jira/browse/LUCENE-550
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Store
>    Affects Versions: 2.0.0
>            Reporter: Karl Wettin
>         Assigned To: Karl Wettin
>         Attachments: didyoumean.jpg, lucene-550.jpg, test-reports.zip, 
> trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2
> An non file centrinc all in memory index. Consumes some 2x the memory of a 
> RAMDirectory (in a term satured index) but is between 3x-60x faster depending 
> on application and how one counts. Average query is about 8x faster. 
> IndexWriter and IndexModifier have been realized in InterfaceIndexWriter and 
> InterfaceIndexModifier. 
> InstantiatedIndex is wrapped in a new top layer index facade (class Index) 
> that comes with factory methods for writers, readers and searchers for unison 
> index handeling. There are decorators with notification handling that can be 
> used for automatically syncronizing searchers on updates, et.c. 
> Index also comes with FS/RAMDirectory implementation.

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