From lucene-net-dev-return-1147-apmail-incubator-lucene-net-dev-archive=incubator.apache.org@incubator.apache.org Wed Jan 09 12:07:08 2008 Return-Path: Delivered-To: apmail-incubator-lucene-net-dev-archive@locus.apache.org Received: (qmail 7886 invoked from network); 9 Jan 2008 12:07:08 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 9 Jan 2008 12:07:08 -0000 Received: (qmail 81482 invoked by uid 500); 9 Jan 2008 12:06:57 -0000 Delivered-To: apmail-incubator-lucene-net-dev-archive@incubator.apache.org Received: (qmail 81459 invoked by uid 500); 9 Jan 2008 12:06:57 -0000 Mailing-List: contact lucene-net-dev-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: lucene-net-dev@incubator.apache.org Delivered-To: mailing list lucene-net-dev@incubator.apache.org Received: (qmail 81450 invoked by uid 99); 9 Jan 2008 12:06:57 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 09 Jan 2008 04:06:57 -0800 X-ASF-Spam-Status: No, hits=-100.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO brutus.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 09 Jan 2008 12:06:42 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 4F4D8714233 for ; Wed, 9 Jan 2008 04:06:34 -0800 (PST) Message-ID: <21795880.1199880394322.JavaMail.jira@brutus> Date: Wed, 9 Jan 2008 04:06:34 -0800 (PST) From: "Marco Dissel (JIRA)" To: lucene-net-dev@incubator.apache.org Subject: [jira] Commented: (LUCENENET-106) Lucene.NET (Revision: 603121) is leaking memory In-Reply-To: <12552873.1198862563409.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/LUCENENET-106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12557244#action_12557244 ] Marco Dissel commented on LUCENENET-106: ---------------------------------------- I got another serious memory leak. This is the result from DebugDiag tool. The attached patched doesn't solve this one.. Anyone solved this already? [DEFAULT] [hasThis] Object Lucene.Net.Search.FieldCacheImpl/AnonymousClassCache3.CreateValue(Class Lucene.Net.Index.IndexReader,Object) 0xC920F4 [DEFAULT] [hasThis] Object Lucene.Net.Search.FieldCacheImpl/Cache.Get(Class Lucene.Net.Index.IndexReader,Object) [DEFAULT] [hasThis] Class Lucene.Net.Search.StringIndex Lucene.Net.Search.FieldCacheImpl.GetStringIndex(Class Lucene.Net.Index.IndexReader,String) [DEFAULT] [hasThis] Object Lucene.Net.Search.FieldCacheImpl/AnonymousClassCache4.CreateValue(Class Lucene.Net.Index.IndexReader,Object) [DEFAULT] [hasThis] Object Lucene.Net.Search.FieldCacheImpl/Cache.Get(Class Lucene.Net.Index.IndexReader,Object) [DEFAULT] [hasThis] Object Lucene.Net.Search.FieldCacheImpl.GetAuto(Class Lucene.Net.Index.IndexReader,String) [DEFAULT] Class Lucene.Net.Search.ScoreDocComparator Lucene.Net.Search.FieldSortedHitQueue.ComparatorAuto(Class Lucene.Net.Index.IndexReader,String) [DEFAULT] [hasThis] Object Lucene.Net.Search.FieldSortedHitQueue/AnonymousClassCache.CreateValue(Class Lucene.Net.Index.IndexReader,Object) [DEFAULT] Class Lucene.Net.Search.ScoreDocComparator Lucene.Net.Search.FieldSortedHitQueue.ComparatorAuto(Class Lucene.Net.Index.IndexReader,String) [DEFAULT] [hasThis] Object Lucene.Net.Search.FieldCacheImpl/Cache.Get(Class Lucene.Net.Index.IndexReader,Object) [DEFAULT] Class Lucene.Net.Search.ScoreDocComparator Lucene.Net.Search.FieldSortedHitQueue.GetCachedComparator(Class Lucene.Net.Index.IndexReader,String,I4,Class System.Globalization.CultureInfo,Class Lucene.Net.Search.SortComparatorSource) [DEFAULT] [hasThis] Void Lucene.Net.Search.FieldSortedHitQueue..ctor(Class Lucene.Net.Index.IndexReader,SZArray Class Lucene.Net.Search.SortField,I4) [DEFAULT] Class Lucene.Net.Search.ScoreDocComparator Lucene.Net.Search.FieldSortedHitQueue.GetCachedComparator(Class Lucene.Net.Index.IndexReader,String,I4,Class System.Globalization.CultureInfo,Class Lucene.Net.Search.SortComparatorSource) [DEFAULT] [hasThis] Class Lucene.Net.Search.TopFieldDocs Lucene.Net.Search.IndexSearcher.Search(Class Lucene.Net.Search.Weight,Class Lucene.Net.Search.Filter,I4,Class Lucene.Net.Search.Sort) [DEFAULT] [hasThis] Void Lucene.Net.Search.FieldSortedHitQueue..ctor(Class Lucene.Net.Index.IndexReader,SZArray Class Lucene.Net.Search.SortField,I4) [DEFAULT] [hasThis] Class Lucene.Net.Search.TopFieldDocs Lucene.Net.Search.Searcher.Search(Class Lucene.Net.Search.Query,Class Lucene.Net.Search.Filter,I4,Class Lucene.Net.Search.Sort) > 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: DIGY-FieldCacheImpl.patch, Digy.rar, luceneSrc_memUsage.patch, WeakHashTable+FieldCacheImpl.rar, WeakReferences.rar > > > 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. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.