[rhelv6-beta-list] Apache benchmark RHEL 5 vs. RHEL 6

Colin Coe colin.coe at gmail.com
Tue Nov 9 04:45:14 UTC 2010


I'd be interested in the output of iostat and vmstat while the apache
benchmark is running.  Also, I question your '90% faster claim'.

> RHEL 5: Requests per second: 9426.71 (10.608151 seconds)
> RHEL 6: Requests per second: 5595.64 (17.871 seconds)

5595 / 9426 = 0.593 (59.3%)

CC

PS: If the above is proved wrong then obviously the email was
corrupted in transit.


On Tue, Nov 9, 2010 at 10:58 AM, Ashley Penney <apenney at gmail.com> wrote:
> One thing to consider is the 'nobarrier' option for ext4 - apparently makes
> a big performance difference.
> Thanks,
>
> On Mon, Nov 8, 2010 at 9:21 PM, Marco Shaw <marco.shaw at gmail.com> wrote:
>>
>> I'd love to try it and break it down using SystemTap...  I just don't
>> have the free time.
>>
>> "RHEL 5.5 + updates" versus "RHEL 6 Beta 2 July refresh"?
>>
>> On Mon, Nov 8, 2010 at 10:12 PM, Morten P.D. Stevens
>> <mstevens at imt-systems.com> wrote:
>> > 2010/11/9 Marco Shaw <marco.shaw at gmail.com>:
>> >
>> >> Well, right off, when you listed your hardware, I never assumed it was
>> >> virtualized.  At the very least, I would want to see this test in a
>> >> hypervisor virtualized environment, and even better directly on
>> >> hardware.
>> >>
>> >> Adding an virtual application layer adds so much to the equation that
>> >> your RHEL5 being faster than RHEL6 is no longer valid, in my mind.
>> >
>> > A few days ago I had the same tests on real hardware and VMWare ESXi 4.1
>> > with exactly the same results.
>> >
>> > If you want you can like to try it yourself.
>>
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>
>
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