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From Toke Eskildsen ...@statsbiblioteket.dk>
Subject Re: Sharding Techniques
Date Fri, 13 May 2011 12:56:48 GMT
On Fri, 2011-05-13 at 12:11 +0200, Samarendra Pratap wrote:
> Comparison between - single index Vs 21 indexes
> Total Size - 18 GB
> Queries run - 500
> % improvement - roughly 18%

I was expecting a lot more. Could you test whether this is an IO-issue
by selecting a slow query and performing the exact same search with that
query several times? The OS cache should kick in quickly so that the
storage isn't touched at all on the later searches.


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