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From "Jason, Kim" <>
Subject how to work cache and improve performance phrase query included wildcard
Date Wed, 18 May 2011 12:15:09 GMT
Hi, all

I have two questions.
I'm wondering how filterCache, queryResultCache, documentCache are applied.
After searching query1  OR query2 OR query3 ... , I searched query0  OR
query2 OR query3 ... .
Just query1 and query0 are difference.
But query time was not fast.
When are the caches applied?

I have 5 or more phrase queries included wildcard per query such as "query1*
query2*"~2 OR "query3* query4*"~2 ...
In the worst case, phrase queries included wildcard in one query are more
than 30.
QTime is more than 60 second.

Please give any idea to improve performance.

I have 2.5 million full text index.
That is running 10 shards on 1 tomcat.


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