Re: performance results on IBM POWER7

On Thu, Mar 1, 2012 at 11:23 AM, Ants Aasma <ants(dot)aasma(at)eesti(dot)ee> wrote:
> On Thu, Mar 1, 2012 at 4:54 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>> ... After that I think maybe some testing of the
>> remaining CommitFest patches might be in order (though personally I'd
>> like to wrap this CommitFest up fairly soon) to see if any of those
>> improve things.
>
> Besides performance testing, could you check how clocksources behave
> on this kind of machine?
> You can find pg_test_timing tool attached here:
> http://archives.postgresql.org/pgsql-hackers/2012-01/msg00937.php
>
> To see which clocksources are available, you can do:
> # cat /sys/devices/system/clocksource/clocksource0/available_clocksource
> To switch the clocksource, just write the desired clocksource like this:
> # echo hpet > /sys/devices/system/clocksource/clocksource0/current_clocksource

Sure, I'll check that as soon as it's back up.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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