On 7/13/2010 1:11 PM, Shiva Raman wrote:
Dear All
This is in reference to the performance tuning , i had already gone
through the mailing list archives , but could not find answer to my
specific query mentioned here.
Right now i am using queryperf to test the performance with sample query
file of thousand entries. Right now
i am getting only 2000 to 2300 qps .
>
Kindly guide me for improving the bind performance from 2000 qps to
nearly 10000 qps. Which are the parameters i should change for improving
the performance? Any os level parameters to be changed for improving the
performance?
What does your query file look like. On of the biggest things that
affects the numbers for a caching server is the response time of the
authoritative servers that answer the queries in your file. Network
bottlenecks can be a problem too. (I remember one time I experimented
with a caching server that had a stateful firewall between it and the
Internet; effectively killed connectivity for everybody in the building)
You may want to look at resperf:
http://www.nominum.com/services/measurement_tools.php
You may be able to get some more meaningful numbers from it.
--
Dave
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