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Nov 15, 2007, 1:15 PM
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[jira] Resolved: (LUCENE-1052) Add an "termInfosIndexDivisor" to IndexReader
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[ https://issues.apache.org/jira/browse/LUCENE-1052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael McCandless resolved LUCENE-1052.
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Resolution: Fixed
I just committed this. Thanks Chuck & Doug!
> Add an "termInfosIndexDivisor" to IndexReader
> ---------------------------------------------
>
> Key: LUCENE-1052
> URL: https://issues.apache.org/jira/browse/LUCENE-1052
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Affects Versions: 2.2
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Priority: Minor
> Fix For: 2.3
>
> Attachments: LUCENE-1052.patch
>
>
> The termIndexInterval, set during indexing time, let's you tradeoff
> how much RAM is used by a reader to load the indexed terms vs cost of
> seeking to the specific term you want to load.
> But the downside is you must set it at indexing time.
> This issue adds an indexDivisor to TermInfosReader so that on opening
> a reader you could further sub-sample the the termIndexInterval to use
> less RAM. EG a setting of 2 means every 2 * termIndexInterval is
> loaded into RAM.
> This is particularly useful if your index has a great many terms (eg
> you accidentally indexed binary terms).
> Spinoff from this thread:
> http://www.gossamer-threads.com/lists/lucene/java-dev/54371
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[jira] Resolved: (LUCENE-1052) Add an "termInfosIndexDivisor" to IndexReader