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From dipti khullar <>
Subject Improvising solr queries
Date Mon, 04 Jan 2010 13:09:23 GMT

We have tried out various configurations settings to improvise the
performance of the site which is majorly using Solr but still the response
time remains about 4-5 reqs/sec. We also did some performance tests on Solr
1.4 but still there is a very minute improvement in performance. Currently
we are using Solr 1.3.

So our last resort remains, improvising the queries. We are using SolrJ -

We guys are trying to tune up Solr Queries being used in our project.
Following sample query takes about 6 secs to execute under normal traffic.
At peak hours this often increases to 10-15 secs.

sitename:XYZ OR sitename:"All Sites") AND (localeid:1237400589415) AND
((assettype:Gallery))  AND (rbcategory:"ABC XYZ" ) AND (startdate:[* TO
2009-12-07T23:59:00Z] AND enddate:[2009-12-07T00:00:00Z TO

Similar to this query we have several much complex queries supporting all
major landing pages of our application.

Just want to confirm that whether anyone can identify any major flaws or
issues in the sample query?


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