Any comments on this?
On Mon, Sep 24, 2012 at 10:28 PM, Sujatha Arun <suja.a...@gmail.com> wrote: > Thanks Jack. > > so Qtime = Sum of all prepare components + sum of all process components - > Debug comp process/prepare time > > In 3.6.1 the process part of Query component for the following query seems > to take 8 times more time? anything missing? For most queries the process > part of the Querycomponent seem to take more time in 3.6.1 > > > This is *3.6.1 * > > <response> > <lst name="responseHeader"><int name="status">0</int> > *<int name="QTime">33</int>* > <lst name="params"> > <str name="debugQuery">on</str> > <str name="indent">on</str><str name="start">0</str> > *<str name="q">differential AND equations AND has AND one AND > solution</str>* > <str name="rows">10</str><str name="version">2.2</str></lst></lst> > > *Debug Output* > * > * > <str name="QParser">LuceneQParser</str> > <lst name="timing"> > <double name="time">33.0</double> > <lst name="prepare"> > > <double name="time">3.0</double> > *<lst name="org.apache.solr.handler.component.QueryComponent"><double > name="time">3.0</double></lst>*<lst > name="org.apache.solr.handler.component.FacetComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.MoreLikeThisComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.HighlightComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.StatsComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.DebugComponent"><double > name="time">0.0</double> > > </lst></lst><lst name="process"><double name="time">30.0</double> > *<lst name="org.apache.solr.handler.component.QueryComponent"><double > name="time">26.0</double></lst>* > <lst name="org.apache.solr.handler.component.FacetComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.MoreLikeThisComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.HighlightComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.StatsComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.DebugComponent"><double > name="time">4.0</double></lst> > > *Same query in solr 1.3* > * > * > <lst name="responseHeader"> > <int name="status">0</int> > *<int name="QTime">6</int>* > <lst name="params"> > <str name="debugQuery">on</str><str name="indent">on</str> > <str name="start">0</str><str name="q">differential AND equations AND has > AND one AND solution</str> > <str name="rows">10</str><str name="version">2.2</str> > > Debug Info > > <lst name="timing"> > <double name="time">6.0</double> > <lst name="prepare"> > <double name="time">1.0</double> > *<lst name="org.apache.solr.handler.component.QueryComponent"><double > name="time">1.0</double></lst>* > <lst name="org.apache.solr.handler.component.FacetComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.MoreLikeThisComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.HighlightComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.DebugComponent"><double > name="time">0.0</double></lst></lst> > > <lst name="process"> > <double name="time">5.0</double> > *<lst name="org.apache.solr.handler.component.QueryComponent"><double > name="time">3.0</double></lst>* > <lst name="org.apache.solr.handler.component.FacetComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.MoreLikeThisComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.HighlightComponent"><double > name="time">0.0</double></lst><lst > name="org.apache.solr.handler.component.DebugComponent"><double > name="time">2.0</double> > > > > *On Mon, Sep 24, 2012 at 7:35 PM, Jack Krupansky > <j...@basetechnology.com>wrote: > * > >> Run a query on both old and new with &debugQuery=true on your query >> request and look at the component timings for possible insight. >> >> -- Jack Krupansky >> >> From: Sujatha Arun >> Sent: Monday, September 24, 2012 7:26 AM >> To: solr-user@lucene.apache.org >> Subject: Performance Degradation on Migrating from 1.3 to solr 3.6.1 >> >> Hi, >> >> On migrating from 1.3 to 3.6.1 , I see the query performance degrading >> by nearly 2 times for all types of query. Indexing performance slight >> degradation over 1.3 For Indexing we use our custom scripts that post xml >> over HTTP. >> >> Any thing that I might have missed . I am thinking that this might be due >> to new Tiered MP over LogByteSize creating more segment files and hence >> more the Query latency .We are using Compound Files in 1.3 and I have set >> this to true even in 3.6.1 ,but results in more segement files >> >> On optimizing the query response time improved beyond 1.3 .So could it >> be the MP or am i missing something here . Do let me know >> >> Please find attached the solrconfig.xml >> >> Regards >> Sujatha >> > >
