On Wed, Jul 11, 2012 at 8:11 PM, Pavitar Singh <psi...@sprinklr.com> wrote: > We upgraded to Solr 4.0 Alpha and our CPU usage shot off to 400%.In > profiling we are getting following trace.
That could either be good or bad. Higher CPU can mean higher concurrency. Have you benchmarked your indexing performance? Example: going from 60 minutes for indexing and 200% average CPU usage to 30 minutes at 400% CPU would generally be considered a good thing. -Yonik http://lucidimagination.com > > - *100.0%* - > *java.lang*.Thread.run<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *42 Collapsed methods > (show)<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > * > - *98.0%* - *org.apache.lucene.index* > > .DocumentsWriter.updateDocument<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *77.0%* - *org.apache.lucene.index* > > .DocumentsWriterPerThread.updateDocument<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *76.0%* - *org.apache.lucene.index* > > .DocFieldProcessor.processDocument<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *76.0%* - *org.apache.lucene.index* > > .DocInverterPerField.processFields<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *36.0%* - *org.apache.lucene.analysis.miscellaneous* > > .TrimFilter.incrementToken<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *35.0%* - *org.apache.lucene.analysis.core* > > .LowerCaseFilter.incrementToken<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *17.0%* - *org.apache.lucene.analysis.ngram* > > .NGramTokenFilter.incrementToken<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *9.2%* - *org.apache.lucene.util* > > .AttributeSource.clearAttributes<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *34.0%* - *org.apache.lucene.index* > > .TermsHashPerField.add<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *12.0%* - *org.apache.lucene.index* > > .FreqProxTermsWriterPerField.addTerm<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *11.0%* - *org.apache.lucene.index* > > .FreqProxTermsWriterPerField.writeProx<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *6.4%* - *org.apache.lucene.index* > > .TermsHashPerField.writeVInt<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *11.0%* - * > org.apache.lucene.analysis.tokenattributes* > > .CharTermAttributeImpl.fillBytesRef<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#> > - *15.0%* - *org.apache.lucene.index* > > .DocumentsWriterFlushControl.obtainAndLock<https://rpm.newrelic.com/accounts/132291/applications/834717/profiles/1266#>
