OK, so your speed differences are pretty much dependent upon whether you specify rows=2000 or rows=10, right? Why do you need 2,000 rows?
Or is the root question why there's such a difference when you specify qt=requestShards? In which case I'm curious to see that request handler definition... Best Erick On Fri, Dec 16, 2011 at 1:38 PM, ku3ia <dem...@gmail.com> wrote: > Hi, Erick, thanks for your reply > > Yeah, you are right - document cache is default, but I tried to decrease and > increase values but I didn't get the desired result. > > I tried the tests. Here are results: > >>>1> try with "&rows=10" > successfully started at 19:48:34 > Queries interval is: 10 queries per minute > http://127.0.0.1:8080/solr/shard1/select/?ident=true&q=(gulping)&rows=10&start=0&fl=*,score&qt=requestShards > ... > http://127.0.0.1:8080/solr/shard1/select/?ident=true&q=(tabors)&rows=10&start=0&fl=*,score&qt=requestShards > utility successfully stopped at 19:53:33 > Elapsed time: 299 secs > --- solr --- > Queries processed: 50 > Queries cancelled: 0 > Average QTime is: 764 ms > Average RTime is: 0.68 sec(s) > Size of data-dir is: 235784 bytes > >>>2> try with "&fl=id" assuming "id" is your <uniqueKey> > successfully started at 19:56:23 > Queries interval is: 10 queries per minute > http://127.0.0.1:8080/solr/shard1/select/?ident=true&q=(psyche's)&rows=2000&start=0&fl=RecordID&qt=requestShards > ... > http://127.0.0.1:8080/solr/shard1/select/?ident=true&q=(betook)&rows=2000&start=0&fl=RecordID&qt=requestShards > utility successfully stopped at 20:01:24 > Elapsed time: 301 secs > --- solr --- > Queries processed: 15 > Queries cancelled: 35 > Average QTime is: 52775.7 ms > Average RTime is: 53.2667 sec(s) > Size of data-dir is: 212978 bytes > > In first test disk usage by nmon: ~30-40% and in the second - 100%. Drive > read speed starting from 3-5 MB/s and falls to 500-700 KB/s in both tests. > > Have you any ideas? > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Poor-performance-on-distributed-search-tp3590028p3592364.html > Sent from the Solr - User mailing list archive at Nabble.com.
