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https://issues.apache.org/jira/browse/SOLR-12009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Varun Thacker resolved SOLR-12009.
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Resolution: Not A Problem
Hi Bharat,
Please raise these questions on the solr-user mailing list first.
An OOM doesn't mean it's a bug in Solr. You need to enable docValues on fields
that you are faceting/sorting/function/collapse/grouping queries on . That will
ensure the WeakHashMap in the screenshot is not built on the heap but as part
of the index data structure which is memory mapped. There are ton's on resource
online about doc-values and if you have further questions the mailing list
would be the best way to ask for help
> Solr OOM exception
> ------------------
>
> Key: SOLR-12009
> URL: https://issues.apache.org/jira/browse/SOLR-12009
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Bharat Viswanadham
> Priority: Major
> Attachments: Screen Shot 2018-02-20 at 6.50.53 PM.png, Screen Shot
> 2018-02-20 at 6.51.04 PM.png
>
>
> Attached the screenshots of the objects, which are using high memory, and
> causing OOM.
>
> {code:java}
> at
> org.apache.lucene.codecs.blocktree.IntersectTermsEnumFrame.load(Lorg/apache/lucene/util/BytesRef;)V
> (IntersectTermsEnumFrame.java:195)
> at
> org.apache.lucene.codecs.blocktree.IntersectTermsEnum.pushFrame(I)Lorg/apache/lucene/codecs/blocktree/IntersectTermsEnumFrame;
> (IntersectTermsEnum.java:211)
> at
> org.apache.lucene.codecs.blocktree.IntersectTermsEnum._next()Lorg/apache/lucene/util/BytesRef;
> (IntersectTermsEnum.java:665)
> at
> org.apache.lucene.codecs.blocktree.IntersectTermsEnum.next()Lorg/apache/lucene/util/BytesRef;
> (IntersectTermsEnum.java:500)
> at
> org.apache.lucene.index.ExitableDirectoryReader$ExitableTermsEnum.next()Lorg/apache/lucene/util/BytesRef;
> (ExitableDirectoryReader.java:185)
> at
> org.apache.lucene.search.MultiTermQueryConstantScoreWrapper$1.collectTerms(Lorg/apache/lucene/index/LeafReaderContext;Lorg/apache/lucene/index/TermsEnum;Ljava/util/List;)Z
> (MultiTermQueryConstantScoreWrapper.java:120)
> at
> org.apache.lucene.search.MultiTermQueryConstantScoreWrapper$1.rewrite(Lorg/apache/lucene/index/LeafReaderContext;)Lorg/apache/lucene/search/MultiTermQueryConstantScoreWrapper$WeightOrDocIdSet;
> (MultiTermQueryConstantScoreWrapper.java:147)
> at
> org.apache.lucene.search.MultiTermQueryConstantScoreWrapper$1.bulkScorer(Lorg/apache/lucene/index/LeafReaderContext;)Lorg/apache/lucene/search/BulkScorer;
> (MultiTermQueryConstantScoreWrapper.java:194)
> at
> org.apache.lucene.search.IndexSearcher.search(Ljava/util/List;Lorg/apache/lucene/search/Weight;Lorg/apache/lucene/search/Collector;)V
> (IndexSearcher.java:666)
> at
> org.apache.lucene.search.IndexSearcher.search(Lorg/apache/lucene/search/Query;Lorg/apache/lucene/search/Collector;)V
> (IndexSearcher.java:473)
> at
> org.apache.solr.search.SolrIndexSearcher.buildAndRunCollectorChain(Lorg/apache/solr/search/QueryResult;Lorg/apache/lucene/search/Query;Lorg/apache/lucene/search/Collector;Lorg/apache/solr/search/QueryCommand;Lorg/apache/solr/search/DelegatingCollector;)V
> (SolrIndexSearcher.java:242)
> at
> org.apache.solr.search.SolrIndexSearcher.getDocListNC(Lorg/apache/solr/search/QueryResult;Lorg/apache/solr/search/QueryCommand;)V
> (SolrIndexSearcher.java:1803)
> at
> org.apache.solr.search.SolrIndexSearcher.getDocListC(Lorg/apache/solr/search/QueryResult;Lorg/apache/solr/search/QueryCommand;)V
> (SolrIndexSearcher.java:1620)
> at
> org.apache.solr.search.SolrIndexSearcher.search(Lorg/apache/solr/search/QueryResult;Lorg/apache/solr/search/QueryCommand;)Lorg/apache/solr/search/QueryResult;
> (SolrIndexSearcher.java:617)
> at
> org.apache.solr.handler.component.QueryComponent.process(Lorg/apache/solr/handler/component/ResponseBuilder;)V
> (QueryComponent.java:531)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(Lorg/apache/solr/request/SolrQueryRequest;Lorg/apache/solr/response/SolrQueryResponse;)V
> (SearchHandler.java:295)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(Lorg/apache/solr/request/SolrQueryRequest;Lorg/apache/solr/response/SolrQueryResponse;)V
> (RequestHandlerBase.java:153)
> at
> org.apache.solr.core.SolrCore.execute(Lorg/apache/solr/request/SolrRequestHandler;Lorg/apache/solr/request/SolrQueryRequest;Lorg/apache/solr/response/SolrQueryResponse;)V
> (SolrCore.java:2213)
> at
> org.apache.solr.servlet.HttpSolrCall.execute(Lorg/apache/solr/response/SolrQueryResponse;)V
> (HttpSolrCall.java:654)
> at
> org.apache.solr.servlet.HttpSolrCall.call()Lorg/apache/solr/servlet/SolrDispatchFilter$Action;
> (HttpSolrCall.java:460)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;Z)V
> (SolrDispatchFilter.java:303)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V
> (SolrDispatchFilter.java:254)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
> (ServletHandler.java:1668)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (ServletHandler.java:581)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (ScopedHandler.java:143)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (SecurityHandler.java:548)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (SessionHandler.java:226)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (ContextHandler.java:1160)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (ServletHandler.java:511)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (SessionHandler.java:185)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (ContextHandler.java:1092)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (ScopedHandler.java:141)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (ContextHandlerCollection.java:213)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (HandlerCollection.java:119)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(Ljava/lang/String;Lorg/eclipse/jetty/server/Request;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
> (HandlerWrapper.java:134)
> at
> org.eclipse.jetty.server.Server.handle(Lorg/eclipse/jetty/server/HttpChannel;)V
> (Server.java:518)
> at org.eclipse.jetty.server.HttpChannel.handle()Z (HttpChannel.java:308)
> at org.eclipse.jetty.server.HttpConnection.onFillable()V
> (HttpConnection.java:244)
> at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded()V
> (AbstractConnection.java:273)
> at org.eclipse.jetty.io.FillInterest.fillable()V (FillInterest.java:95)
> at org.eclipse.jetty.io.SelectChannelEndPoint$2.run()V
> (SelectChannelEndPoint.java:93)
> at
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun()V
> (ExecuteProduceConsume.java:246)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run()V
> (ExecuteProduceConsume.java:156)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(Ljava/lang/Runnable;)V
> (QueuedThreadPool.java:654)
> at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run()V
> (QueuedThreadPool.java:572)
> at java.lang.Thread.run()V (Thread.java:745)
> We are seeing an OOM exception when solr is being queried on collection.
> {code}
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