On 4/24/2011 3:07 AM, sujikin wrote:
Hi,
Thanks for your replies. I was sure Server B will never will be able to
match Server A even if it had
infinite processors in it ( provided everything remains the same). Just
wanted to confirm.
@David
Server B has *116* processors only.
Slow because of time taken to handle single request.
32Gb shared among 116 processors isn't very much RAM for each process
(that's why I assumed it was 16, not 116). You'll likely get a
performance boost if you can give it more RAM.
Regards,
Sujeet
David Kerber wrote:
On 4/23/2011 2:31 PM, Sujeet Singh wrote:
Hi,
I have two servers which has below configuration,
Server A has 32 GB RAM, 4 processors each of 2.8 GHz
Server B has 32 GB RAM, 116 processors each of 1.6 GHz.
Both servers has tomcat installed having same configuration.
Tomcat of server B is at least half as slow as Server A.
My question is...just by increasing the worker thread count, the
performance
of
Server B can be increased or we need to do something else also?
Tomcat version is 5.5 and Java version is 5. OS used is Solaris 10 SPARC.
Thanks& Regards,
Sujeet
First, I assume you mean "16" processors in server B, rather than 116.
You need to define "slow": time to process a single request, or # of
requests it can handle?
Server B's clock speed is about half that of A, so I would expect
(everything else being equal) that it would run at ~ half the speed of A
for a single request. However, given that it has 4x as many processors,
it should be able to handle ~ 4x as many simultaneous requests, but each
of them will still take about 2x as long as they would on A.
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