Re: Two identical systems, radically different performance

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От Andrea Suisani
Тема Re: Two identical systems, radically different performance
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Msg-id 507C323C.2090805@opinioni.net
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Ответ на Re: Two identical systems, radically different performance  (Scott Marlowe <scott.marlowe@gmail.com>)
Список pgsql-performance
On 10/15/2012 05:34 PM, Scott Marlowe wrote:
> On Mon, Oct 15, 2012 at 9:28 AM, Claudio Freire <klaussfreire@gmail.com> wrote:
>> On Mon, Oct 15, 2012 at 12:24 PM, Andrea Suisani <sickpig@opinioni.net> wrote:
>>> sure you're right.
>>>
>>> It's just that my bet was on a higher throughput
>>> when HT was isabled from the BIOS (as you stated
>>> previously in this thread).
>>
>> Yes, mine too. It's bizarre. If I were you, I'd look into it more
>> deeply. It may be a flaw in your test methodology (maybe you disabled
>> the wrong cores?). If not, it would be good to know why the extra TPS
>> to replicate elsewhere.
>
> I'd recommend more synthetic benchmarks when trying to compare systems
> like this.  bonnie++, the memory stream test that Greg Smith was
> working on, and so on.  Get an idea what core differences the machines
> display under such testing.
>

Will try tomorrow
thanks for the hint

Andrea


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