[Discuss] Linux performance measuring

[Jerry Feldman]

On 08/31/2012 12:37 PM, Dan Ritter wrote:
> On Fri, Aug 31, 2012 at 12:41:30PM -0400, Jerry Feldman wrote:
>> I need to measure performance on one of our virtual machines. One of
>> the things I need to know is how often the memory requirement goes
>> about 32GB. Not being an IT guy I have not really looked at tools. I
>> am familiar with sar(1) which should give me the data I want.
>> Additionally, VMware's vSphere also provides some reporting
>> statistics. The vSphere stats give me what I need, but trying to put
>> them together meaningfully is a pain. Preferably I would like
>> something that is available on the RHEL repo. At the moment I am
>> only planning on watching 1 host, but I may end up deploying it to
>> several.
> systat/sar to begin with, and if you want graphs on many
> systems, snmpd and cacti.
>
> -dsr-
>
>
Cacti seems to be very useful. The issue is that when they were going to 
create VMs to replace our aging servers, they had them spec'd out at 
32GB, and our boss wanted 64GB because our software is very memory 
intensive.

-- 
Jerry Feldman <gaf at blu.org>
Boston Linux and Unix
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