How frequently you Optimize your solrIndex ??
Optimization also helps in reducing search latency.
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I am using three solr cores and all the cores are on the same m/c
My configuration is such that i have a machine where code resides and there
are 10 other machines which contains the indexed data in cluster.so the code
machine picks up a random machine for getting solr data.
Also the reason why
You haven't given us much information here, it might help to review:
http://wiki.apache.org/solr/UsingMailingLists
In addition to Kenf_nc's comments, your sorting may be
an issue, especially if you're measuring the first query
times.
What does debugQuery=on show? How many docs in your index?
How
Can you reduce the number of docs and do paging
(start=0,rows=50start=50,rows=50...etc)? That might help a little. This
is also a factor of how much data each doc has, whether you have any fields
that are compressed, etc.
Also, make sure you have enough memory set aside for your cache (not on