Does the header in the response indicate you're getting partialResults? http://help.websolr.com/kb/common-problems/why-am-i-getting-partial-results
Michael Della Bitta Applications Developer o: +1 646 532 3062 | c: +1 917 477 7906 appinions inc. “The Science of Influence Marketing” 18 East 41st Street New York, NY 10017 t: @appinions <https://twitter.com/Appinions> | g+: plus.google.com/appinions<https://plus.google.com/u/0/b/112002776285509593336/112002776285509593336/posts> w: appinions.com <http://www.appinions.com/> On Wed, Nov 6, 2013 at 4:23 PM, Roman Chyla <roman.ch...@gmail.com> wrote: > Hello, > > We have two solr searchers/instances (read-only). They read the same index, > but they did not return the same #hits for a particular query > > Log is below, but to summarize: first server always returns 576 hits, the > second server returns: 440, 440, 576, 576... > > These are just few seconds apart. Load balancer directed requests to both > servers. Both servers report the same numHits for other queries. I checked > that nothing re-opened index, there was no error....this is SOLR 4.0 (we > should update, I know), running CentOS, the index lives on a RAID5 mounted > volume, both instances just read it (the index wasn't updated while these > searches happened). > > Anybody has a pointer, I can't really understand it. Can it be a bug? > > Thanks, > > roman > > > > If you look at the log below, you will see 9002 instance always returns 576 > hits, but 9003 instance is returning 440, 440, 65, 576 > > > -bash-4.1$ grep -a -e 'Jones,+Christine"+year:1990-2100' > ./perpetuum/live-9002/solr-logging-0.log | grep -m 5 '2013-11-06 13:' > 2013-11-06 13:10:47 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&start=400&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=576 status=0 QTime=155 > 2013-11-06 13:17:05 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=576 status=0 QTime=89 > 2013-11-06 13:17:06 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&start=200&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=576 status=0 QTime=87 > 2013-11-06 13:21:50 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&start=200&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=576 status=0 QTime=86 > 2013-11-06 13:21:51 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&start=400&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=576 status=0 QTime=87 > > > -bash-4.1$ grep -a -e 'Jones,+Christine"+year:1990-2100' > ./perpetuum/live-9003/solr-logging-0.log | grep -m 5 '2013-11-06 13:' > 2013-11-06 13:10:46 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=440 status=0 QTime=144 > 2013-11-06 13:10:46 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&start=200&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=440 status=0 QTime=78 > 2013-11-06 13:10:48 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&q=author:"^Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=65 status=0 QTime=96 > 2013-11-06 13:11:14 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=576 status=0 QTime=86 > 2013-11-06 13:11:14 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&start=200&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=576 status=0 QTime=86 > > > > and the log shows that there wasn't any new searcher opened inbetween: > > 2013-11-06 13:10:46 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&start=200&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=440 status=0 QTime=78 > 2013-11-06 13:10:48 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&q=author:"^Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=65 status=0 QTime=96 > 2013-11-06 13:10:51 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} hits=1 > status=0 QTime=1 > 2013-11-06 13:10:51 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} status=0 > QTime=1 > 2013-11-06 13:10:56 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} hits=1 > status=0 QTime=1 > 2013-11-06 13:10:56 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} status=0 > QTime=1 > 2013-11-06 13:11:01 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} hits=1 > status=0 QTime=1 > 2013-11-06 13:11:01 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} status=0 > QTime=1 > 2013-11-06 13:11:03 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=author,reference,abstract,links_data,id,ids_data,bibcode,links,copyright,bibstem,aff,score,reader,pub_raw,pub,doi,pubdate,identifier,keyword,title,[citations],property&indent=true&q=identifier:1976STIN...7710987L&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&rows=1} > hits=1 status=0 QTime=1 > 2013-11-06 13:11:06 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} hits=1 > status=0 QTime=1 > 2013-11-06 13:11:06 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} status=0 > QTime=1 > 2013-11-06 13:11:11 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} hits=1 > status=0 QTime=1 > 2013-11-06 13:11:11 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/admin/ping params={wt=json} status=0 > QTime=1 > 2013-11-06 13:11:14 INFO org.apache.solr.core.SolrCore execute > [collection1] webapp=/solr path=/select > > params={hl.requireFieldMatch=true&fl=bibcode,pubdate,keyword,author,property,abstract,bibstem,citation_count,pub,[citations],volume,database,aff,grants,year,id,title,identifier,issue,page,doi&sort=citation_count+desc&indent=true&q=author:"Jones,+Christine"+year:1990-2100&hl.usePhraseHighlighter=true&hl.maxAnalyzedChars=150000&wt=json&fq=database:astronomy&rows=200} > hits=576 status=0 QTime=86 >
