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Posted to dev@lucenenet.apache.org by "Anton K. (JIRA)" <ji...@apache.org> on 2008/01/02 21:53:34 UTC
[jira] Issue Comment Edited: (LUCENENET-106) Lucene.NET (Revision:
603121) is leaking memory
[ https://issues.apache.org/jira/browse/LUCENENET-106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12555416#action_12555416 ]
anton! edited comment on LUCENENET-106 at 1/2/08 12:53 PM:
-------------------------------------------------------------
the patch was added
was (Author: anton!):
the patch
> Lucene.NET (Revision: 603121) is leaking memory
> -----------------------------------------------
>
> Key: LUCENENET-106
> URL: https://issues.apache.org/jira/browse/LUCENENET-106
> Project: Lucene.Net
> Issue Type: Bug
> Environment: .NET 2.0
> Reporter: Anton K.
> Priority: Critical
> Attachments: luceneSrc_memUsage.patch
>
>
> readerCache Hashtable field (see FieldCacheImpl.cs) never releases some hash items that have closed IndexReader object as a key. So a lot of Term instances are never released.
> Java version of Lucene uses WeakHashMap and therefore doesn't have this problem.
> This bug can be reproduced only when Sort functionality used during search.
> See following link for additional information.
> http://www.gossamer-threads.com/lists/lucene/java-user/55681
> Steps to reproduce:
> 1)Create index
> 2) Modify index by IndexWiter; Close IndexWriter
> 3) Use IndexSearcher for searching with Sort; Close InexSearcher
> 4) Go to step 2
> You'll get OutOfMemoryException after some time of running this algorithm.
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