[THIN] [FG-SPAM] RE: Re: Application benchmarking
- From: "Stanley Watts" <swatts@xxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Mon, 2 Apr 2007 14:02:46 -0400
All depends on the application. Some applications poll the keyboard excessively and we are able to clamp CPU utilization for that application to allow for more concurrent users. One metric we look for is page faults/sec. Excessive paging can cause more harm to performance than the CPU.
Stanley Watts
ClassLink, Inc.
Tel: 201-271-1010 x103
www.classlink.com
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Berny Stapleton
Sent: Monday, April 02, 2007 11:04 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Application benchmarking
At the moment, I am guessing that a number of the applications in the
farm are going to get moved to different hardware as we rebuild, but I
figure if I can get 25 users on a P3 1 Gig, then I should be pretty
safe getting say 40 users on a P4 Xeon 2.8 Gig. (Obviously providing
that the Disk and Mem allow for it)
Yes, its more a question of server scaling, and server capacity more
than what is the end user experience. I know that I can look at the
counters such as CPU queue legnth and look at the disk activity and
make sure that the server isn't overloaded, but the question is, is
there specific software that people use? Or is there certain counters
that people use for looking at what an application is doing?
Berny
Quoting "Timothy R. Mangan" :
> Berny,
>
>
>
> It all depends on what you are trying to accomplish. Are you trying to
> determine server scale (can I add more users or do I need another server),
> determine impact of a given application on the server, or try to determine
> the "end user experience" using that application?
>
>
>
>
>
> From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
> Of Berny Stapleton
> Sent: Monday, April 02, 2007 6:35 AM
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Application benchmarking
>
>
>
> Hi all,
>
>
>
> Just wondering what you use for application benchmarking...
>
>
>
> I am thinking I just need to look at the CPU Queue length and % CPU time per
> process and gain some insight that way...
>
>
>
> I can get memory figures by looking at mem usage figures from the RMSummary
> DB and then dividing by the avg session time and then session count for the
> day.
>
>
>
> Otherwise, what are you looking at for counters etc in a large farm?
>
>
>
> Berny
>
>
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