Hi, Does this happen while a new searcher is warming up by any chance? Have you tried decreasing your document cache size? Try that...
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: gurudev <[EMAIL PROTECTED]> > To: solr-user@lucene.apache.org > Sent: Wednesday, May 21, 2008 7:46:15 AM > Subject: Re: SOLR OOM (out of memory) problem > > > Just to add more: > > The JVM heap allocated is 6GB with initial heap size as 2GB. We use > quadro(which is 8 cpus) on linux servers for SOLR slaves. > We use facet searches, sorting. > document cache is set to 7 million (which is total documents in index) > filtercache 10000 > > > > > gurudev wrote: > > > > Hi > > > > We currently host index of size approx 12GB on 5 SOLR slaves machines, > > which are load balanced under cluster. At some point of time, which is > > after 8-10 hours, some SOLR slave would give Out of memory error, after > > which it just stops responding, which then requires restart and after > > restart it works perfectly. Sometimes we notice long query processing time > > of specific SOLR slaves after which we restart just to avoid any > > forthcoming problem. Can anyone suggest how to avoid OOM problem. Out > > slave SOLR are read only and we do the incremental updations during night > > only. Below is the snapshot of error we get as OOM: > > > > > > SEVERE: java.lang.OutOfMemoryError: Java heap space > > at org.apache.solr.util.OpenBitSet.(OpenBitSet.java:87) > > at > > org.apache.solr.search.DocSetHitCollector.collect(DocSetHitCollector.java:61) > > at > > > org.apache.solr.search.SolrIndexSearcher$9.collect(SolrIndexSearcher.java:1064) > > at > > org.apache.lucene.search.BooleanScorer2.score(BooleanScorer2.java:292) > > at > > org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:133) > > at org.apache.lucene.search.Searcher.search(Searcher.java:117) > > at org.apache.lucene.search.Searcher.search(Searcher.java:96) > > at > > > org.apache.solr.search.SolrIndexSearcher.getDocListAndSetNC(SolrIndexSearcher.java:1061) > > at > > > org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:801) > > at > > > org.apache.solr.search.SolrIndexSearcher.getDocListAndSet(SolrIndexSearcher.java:1237) > > at > > > org.apache.solr.request.DisMaxRequestHandler.handleRequestBody(DisMaxRequestHandler.java:315) > > at > > > org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:77) > > at org.apache.solr.core.SolrCore.execute(SolrCore.java:658) > > at > > > org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:191) > > at > > > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:159) > > at > > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) > > at > > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) > > at > > > org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) > > at > > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) > > at > > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) > > at > > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) > > at > > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) > > at > > > org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) > > at > > > org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) > > at > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) > > at > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) > > at > > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) > > at > > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) > > at > > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) > > at > > > org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) > > at > > > org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) > > at > > > org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) > > > > > > > > > > -- > View this message in context: > http://www.nabble.com/SOLR-OOM-%28out-of-memory%29-problem-tp17364146p17364150.html > Sent from the Solr - User mailing list archive at Nabble.com.
