Re: CPU bound

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От James Cloos
Тема Re: CPU bound
Дата
Msg-id m38vzl6z17.fsf@jhcloos.com
обсуждение исходный текст
Ответ на CPU bound  (Royce Ausburn <royce@inomial.com>)
Ответы Re: CPU bound  (Mladen Gogala <mladen.gogala@vmsinfo.com>)
Список pgsql-performance
>>>>> "RA" == Royce Ausburn <royce@inomial.com> writes:

RA> I notice that when restoring a DB on a laptop with an SDD,
RA> typically postgres is maxing out a CPU - even during a COPY.

The time the CPUs spend waiting on system RAM shows up as CPU
time, not as Wait time.  It could be just that the SSD is fast
enough that the RAM is now the bottleneck, although parsing
and text<=>binary conversions (especially for integers, reals
and anything stored as an integer) also can be CPU-intensive.

-JimC
--
James Cloos <cloos@jhcloos.com>         OpenPGP: 1024D/ED7DAEA6

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