Run the program under jconsole (visualgc on some machines). This connects to your tomcat and gives a running view of memory use and garbage collection activity.
On Thu, Mar 15, 2012 at 10:28 AM, Erick Erickson <erickerick...@gmail.com> wrote: > See: > http://javahowto.blogspot.com/2006/06/6-common-errors-in-setting-java-heap.html > > Your Xmx specification is wrong I think. > -Xmx2.0GB > -Xmx2.0G > -Xmx-2GB > -Xmx-2G > -Xmx-2.0GB > -Xmx-2.0G > -Xmx=2G > > all fail immediately when I try them from a command line on raw Java > from a command prompt. > Perhaps Tomcat is doing some magic here, I confess I don't speak very > fluent Tomcat but > the above link has a section on how to set memory for Tomcat that > doesn't make me hopeful... > > Try > -Xmx2G -Xmx2G > > no decimal place. No hyphen in front of the "2". no =..... > > > 2012/3/15 François Schiettecatte <fschietteca...@gmail.com>: >> FWIW it looks like this feature has been enabled by default since JDK 6 >> Update 23: >> >> >> http://blog.juma.me.uk/2008/10/14/32-bit-or-64-bit-jvm-how-about-a-hybrid/ >> >> François >> >> On Mar 15, 2012, at 6:39 AM, Husain, Yavar wrote: >> >>> Thanks a ton. >>> ________________________________________ >>> From: Li Li [fancye...@gmail.com] >>> Sent: Thursday, March 15, 2012 12:11 PM >>> To: Husain, Yavar >>> Cc: solr-user@lucene.apache.org >>> Subject: Re: Solr out of memory exception >>> >>> it seems you are using 64bit jvm(32bit jvm can only allocate about 1.5GB). >>> you should enable pointer compression by -XX:+UseCompressedOops >>> >>> On Thu, Mar 15, 2012 at 1:58 PM, Husain, Yavar >>> <yhus...@firstam.com<mailto:yhus...@firstam.com>> wrote: >>> Thanks for helping me out. >>> >>> I have allocated Xms-2.0GB Xmx-2.0GB >>> >>> However i see Tomcat is still using pretty less memory and not 2.0G >>> >>> Total Memory on my Windows Machine = 4GB. >>> >>> With smaller index size it is working perfectly fine. I was thinking of >>> increasing the system RAM & tomcat heap space allocated but then how come >>> on a different server with exactly same system and solr configuration & >>> memory it is working fine? >>> >>> >>> -----Original Message----- >>> From: Li Li [mailto:fancye...@gmail.com<mailto:fancye...@gmail.com>] >>> Sent: Thursday, March 15, 2012 11:11 AM >>> To: solr-user@lucene.apache.org<mailto:solr-user@lucene.apache.org> >>> Subject: Re: Solr out of memory exception >>> >>> how many memory are allocated to JVM? >>> >>> On Thu, Mar 15, 2012 at 1:27 PM, Husain, Yavar >>> <yhus...@firstam.com<mailto:yhus...@firstam.com>> wrote: >>> >>>> Solr is giving out of memory exception. Full Indexing was completed fine. >>>> Later while searching maybe when it tries to load the results in memory it >>>> starts giving this exception. Though with the same memory allocated to >>>> Tomcat and exactly same solr replica on another server it is working >>>> perfectly fine. I am working on 64 bit software's including Java & Tomcat >>>> on Windows. >>>> Any help would be appreciated. >>>> >>>> Here are the logs: >>>> >>>> The server encountered an internal error (Severe errors in solr >>>> configuration. Check your log files for more detailed information on what >>>> may be wrong. If you want solr to continue after configuration errors, >>>> change: <abortOnConfigurationError>false</abortOnConfigurationError> in >>>> null ------------------------------------------------------------- >>>> java.lang.RuntimeException: java.lang.OutOfMemoryError: Java heap space at >>>> org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1068) at >>>> org.apache.solr.core.SolrCore.<init>(SolrCore.java:579) at >>>> org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:137) >>>> at >>>> org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:83) >>>> at >>>> org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295) >>>> at >>>> org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422) >>>> at >>>> org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115) >>>> at >>>> org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4072) >>>> at >>>> org.apache.catalina.core.StandardContext.start(StandardContext.java:4726) >>>> at >>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799) >>>> at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779) >>>> at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601) at >>>> org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:943) at >>>> org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:778) at >>>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:504) at >>>> org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317) at >>>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324) >>>> at >>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) >>>> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065) at >>>> org.apache.catalina.core.StandardHost.start(StandardHost.java:840) at >>>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) at >>>> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) at >>>> org.apache.catalina.core.StandardService.start(StandardService.java:525) at >>>> org.apache.catalina.core.StandardServer.start(StandardServer.java:754) at >>>> org.apache.catalina.startup.Catalina.start(Catalina.java:595) at >>>> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at >>>> sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at >>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at >>>> java.lang.reflect.Method.invoke(Unknown Source) at >>>> org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) at >>>> org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) Caused by: >>>> java.lang.OutOfMemoryError: Java heap space at >>>> org.apache.lucene.index.SegmentTermEnum.termInfo(SegmentTermEnum.java:180) >>>> at org.apache.lucene.index.TermInfosReader.<init>(TermInfosReader.java:91) >>>> at >>>> org.apache.lucene.index.SegmentReader$CoreReaders.<init>(SegmentReader.java:122) >>>> at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:652) at >>>> org.apache.lucene.index.SegmentReader.get(SegmentReader.java:613) at >>>> org.apache.lucene.index.DirectoryReader.<init>(DirectoryReader.java:104) at >>>> org.apache.lucene.index.ReadOnlyDirectoryReader.<init>(ReadOnlyDirectoryReader.java:27) >>>> at >>>> org.apache.lucene.index.DirectoryReader$1.doBody(DirectoryReader.java:74) >>>> at >>>> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:683) >>>> at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:69) at >>>> org.apache.lucene.index.IndexReader.open(IndexReader.java:476) at >>>> org.apache.lucene.index.IndexReader.open(IndexReader.java:403) at >>>> org.apache.solr.core.StandardIndexReaderFactory.newReader(StandardIndexReaderFactory.java:38) >>>> at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1057) at >>>> org.apache.solr.core.SolrCore.<init>(SolrCore.java:579) at >>>> org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:137) >>>> at >>>> org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:83) >>>> at >>>> org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295) >>>> at >>>> org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422) >>>> at >>>> org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115) >>>> at >>>> org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4072) >>>> at >>>> org.apache.catalina.core.StandardContext.start(StandardContext.java:4726) >>>> at >>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799) >>>> at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779) >>>> at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601) at >>>> org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:943) at >>>> org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:778) at >>>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:504) at >>>> org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317) at >>>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324) >>>> at >>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) >>>> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065) ) >>>> that prevented it from fulfilling this request. >>>> </PRE> >>>> <BR> >>>> ******************************************************************************************<BR>This >>>> message may contain confidential or proprietary information intended only >>>> for the use of the<BR>addressee(s) named above or may contain information >>>> that is legally privileged. If you are<BR>not the intended addressee, or >>>> the person responsible for delivering it to the intended addressee,<BR>you >>>> are hereby notified that reading, disseminating, distributing or copying >>>> this message is strictly<BR>prohibited. If you have received this message >>>> by mistake, please immediately notify us by<BR>replying to the message and >>>> delete the original message and any copies immediately thereafter.<BR> >>>> <BR> >>>> Thank you.~<BR> >>>> >>>> ******************************************************************************************<BR> >>>> FAFLD<BR> >>>> <PRE> >>>> >>> >> -- Lance Norskog goks...@gmail.com
