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From "Hoss Man (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-550) InstantiatedIndex - faster but memory consuming index
Date Sun, 23 Sep 2007 21:27:52 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12529763
] 

Hoss Man commented on LUCENE-550:
---------------------------------

> Any comments on how to include graphics in the documentation? (I'm a big fan of UML,

> you might have noticed there is quite a bit of ASCII class diagram stubs in the javadocs
of 
> fields that represent binary associations, association classes and qualifications.) Also,
where 
> should I store the XML used to render the graphics? Just pop it all in the src classpath?

images that you want to embed in (or files you want to link to from) javadocs should live
in a "doc-files" directory in the package....

http://java.sun.com/j2se/javadoc/writingdoccomments/#images

...iwould put the XML source for the image in there as well, and put a link to it in the javadocs
as well.

> 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
>            Assignee: Grant Ingersoll
>         Attachments: HitCollectionBench.jpg, lucene-550.jpg, LUCENE-550_20070804_no_core_changes.txt,
LUCENE-550_20070808_no_core_changes.txt, LUCENE-550_20070817_no_core_changes.txt, test-reports.zip,
trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2,
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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