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Posted to dev@lucene.apache.org by "Volodymyr Bychkoviak (JIRA)" <ji...@apache.org> on 2005/12/01 13:00:30 UTC
[jira] Updated: (LUCENE-475) RAMDirectory(Directory dir, boolean closeDir) constructor uses memory inefficiently.
[ http://issues.apache.org/jira/browse/LUCENE-475?page=all ]
Volodymyr Bychkoviak updated LUCENE-475:
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Attachment: RamDirectory.diff
> RAMDirectory(Directory dir, boolean closeDir) constructor uses memory inefficiently.
> --------------------------------------------------------------------------------------
>
> Key: LUCENE-475
> URL: http://issues.apache.org/jira/browse/LUCENE-475
> Project: Lucene - Java
> Type: Improvement
> Components: Store
> Reporter: Volodymyr Bychkoviak
> Attachments: RamDirectory.diff
>
> recently I found that RAMDirectory(Directory dir, boolean closeDir) constructor uses memory inefficiently.
> files from source index are read entirely intro memory as single byte array which is after all is thrown away. And if I want to load my 200M optimized, compound format index to memory for faster search I should give JVM at least 400Mb memory limit. For larger indexes this can be an issue.
> I've attached patch how to solve this problem.
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