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From Yonik Seeley <yo...@lucidimagination.com>
Subject Re: Solr Trunk Heap Space Issues
Date Mon, 05 Oct 2009 17:32:32 GMT
On Mon, Oct 5, 2009 at 1:00 PM, Jeff Newburn <jnewburn@zappos.com> wrote:
> Ok I have eliminated all queries for warming and am still getting the heap
> space dump.  Any ideas at this point what could be wrong?  This seems like a
> huge increase in memory to go from indexing without issues to not being able
> to even with warming off.

Do you have any custom Analyzers, Tokenizers, TokenFilters?
Another change is that token streams are reused by caching in a
thread-local, so every thread in your server could potentially have a
copy of an analysis chain (token stream) per field that you have used.
 This normally shouldn't be an issue since these will be small.  Also,
how many unique fields do you have?

-Yonik
http://www.lucidimagination.com



> Jeff Newburn
> Software Engineer, Zappos.com
> jnewburn@zappos.com - 702-943-7562
>
>
>> From: Jeff Newburn <jnewburn@zappos.com>
>> Reply-To: <solr-user@lucene.apache.org>
>> Date: Thu, 01 Oct 2009 08:41:18 -0700
>> To: "solr-user@lucene.apache.org" <solr-user@lucene.apache.org>
>> Subject: Solr Trunk Heap Space Issues
>>
>> I am trying to update to the newest version of solr from trunk as of May
>> 5th.  I updated and compiled from trunk as of yesterday (09/30/2009).  When
>> I try to do a full import I am receiving a GC heap error after changing
>> nothing in the configuration files.  Why would this happen in the most
>> recent versions but not in the version from a few months ago.  The stack
>> trace is below.
>>
>> Oct 1, 2009 8:34:32 AM org.apache.solr.update.processor.LogUpdateProcessor
>> finish
>> INFO: {add=[166400, 166608, 166698, 166800, 166811, 167097, 167316, 167353,
>> ...(83 more)]} 0 35991
>> Oct 1, 2009 8:34:32 AM org.apache.solr.common.SolrException log
>> SEVERE: java.lang.OutOfMemoryError: GC overhead limit exceeded
>>     at java.util.Arrays.copyOfRange(Arrays.java:3209)
>>     at java.lang.String.<init>(String.java:215)
>>     at com.ctc.wstx.util.TextBuffer.contentsAsString(TextBuffer.java:384)
>>     at com.ctc.wstx.sr.BasicStreamReader.getText(BasicStreamReader.java:821)
>>     at org.apache.solr.handler.XMLLoader.readDoc(XMLLoader.java:280)
>>     at org.apache.solr.handler.XMLLoader.processUpdate(XMLLoader.java:139)
>>     at org.apache.solr.handler.XMLLoader.load(XMLLoader.java:69)
>>     at
>> org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentSt
>> reamHandlerBase.java:54)
>>     at
>> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.
>> java:131)
>>     at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316)
>>     at
>> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:3
>> 38)
>>     at
>> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:
>> 241)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
>> FilterChain.java:235)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
>> ain.java:206)
>>     at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
>> va:233)
>>     at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
>> va:175)
>>     at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128
>> )
>>     at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102
>> )
>>     at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
>> :109)
>>     at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
>>     at
>> org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:
>> 879)
>>     at
>> org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(H
>> ttp11NioProtocol.java:719)
>>     at
>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:
>> 2080)
>>     at
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.ja
>> va:886)
>>     at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:9
>> 08)
>>     at java.lang.Thread.run(Thread.java:619)
>>
>> Oct 1, 2009 8:40:06 AM org.apache.solr.core.SolrCore execute
>> INFO: [zeta-main] webapp=/solr path=/update params={} status=500 QTime=5265
>> Oct 1, 2009 8:40:12 AM org.apache.solr.common.SolrException log
>> SEVERE: java.lang.OutOfMemoryError: GC overhead limit exceeded
>>
>> --
>> Jeff Newburn
>> Software Engineer, Zappos.com
>> jnewburn@zappos.com - 702-943-7562
>>
>
>

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