TestIndexingPerformance? What the heck... that's not even multi-threaded! -Yonik http://www.lucidimagination.com
On Tue, Oct 6, 2009 at 12:17 PM, Mark Miller <markrmil...@gmail.com> wrote: > Darnit - didn't finish that email. This is after running your old short > doc perf test for 10,000 iterations. You see the same thing with 1000 > iterations but much less pronounced eg gettin' worse with more iterations. > > Mark Miller wrote: >> A little before and after. The before is around may 5th'is - the after >> is trunk. >> >> http://myhardshadow.com/memanalysis/before.png >> http://myhardshadow.com/memanalysis/after.png >> >> Mark Miller wrote: >> >>> Took a peak at the checkout around the time he says he's using. >>> >>> CharTokenizer appears to be holding onto much large char[] arrays now >>> than before. Same with snowball.Among - used to be almost nothing, now >>> its largio. >>> >>> The new TokenStream stuff appears to be clinging. Needs to find some >>> inner peace. >>> >>> Yonik Seeley wrote: >>> >>> >>>> On Mon, Oct 5, 2009 at 4:54 PM, Jeff Newburn <jnewb...@zappos.com> wrote: >>>> >>>> >>>> >>>>> Ok we have done some more testing on this issue. When I only have the 1 >>>>> core the reindex completes fine. However, when I added a second core with >>>>> no documents it runs out of heap again. This time the heap was 322Mb of >>>>> LRUCache. The 1 query that warms returns exactly 2 documents so I have no >>>>> idea where the LRUCache is getting its information or what is even in >>>>> there. >>>>> >>>>> >>>>> >>>> I guess the obvious thing to check would be the custom search component. >>>> Does it access documents? I don't see how else the document cache >>>> could self populate with so many entries (assuming it is the document >>>> cache again). >>>> >>>> -Yonik >>>> http://www.lucidimagination.com >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>>> -- >>>>> Jeff Newburn >>>>> Software Engineer, Zappos.com >>>>> jnewb...@zappos.com - 702-943-7562 >>>>> >>>>> >>>>> >>>>> >>>>> >>>>>> From: Yonik Seeley <yo...@lucidimagination.com> >>>>>> Reply-To: <solr-user@lucene.apache.org> >>>>>> Date: Mon, 5 Oct 2009 13:32:32 -0400 >>>>>> To: <solr-user@lucene.apache.org> >>>>>> Subject: Re: Solr Trunk Heap Space Issues >>>>>> >>>>>> On Mon, Oct 5, 2009 at 1:00 PM, Jeff Newburn <jnewb...@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 >>>>>>> jnewb...@zappos.com - 702-943-7562 >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> From: Jeff Newburn <jnewb...@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 >>>>>>>> jnewb...@zappos.com - 702-943-7562 >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>> >>>>> >>>>> >>> >>> >> >> >> > > > -- > - Mark > > http://www.lucidimagination.com > > > >
