Re: Performance of a single (big) select and Multiprocessor Machines
От | Konstantinos Agouros |
---|---|
Тема | Re: Performance of a single (big) select and Multiprocessor Machines |
Дата | |
Msg-id | 20010119075456.A3855@rumba.agouros.de обсуждение исходный текст |
Ответ на | Re: Performance of a single (big) select and Multiprocessor Machines (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-general |
On Thu, Jan 18, 2001 at 11:38:38PM -0500, Tom Lane wrote: > Konstantinos Agouros <elwood@agouros.de> writes: > > Is there a way in postgres to make use of the extra cpu(s) the > > machine has for the single tasks of importing the data and doing the > > somewhat intensive selects that result from the sheer amount of data. > > Maybe I'm missing something, but it seems like all you need to do is > run the data import and the selects in different processes (multiple > backends). > > There isn't any way to apply multiple CPUs in a single SELECT, if that's > what you were hoping for. Perhaps you could break down the data > reduction task into independent subqueries, but that will take some > thought :-( This was what I was hoping for... thanks for the quick response. Konstantin > > regards, tom lane -- Dipl-Inf. Konstantin Agouros aka Elwood Blues. Internet: elwood@agouros.de Otkerstr. 28, 81547 Muenchen, Germany. Tel +49 89 69370185 ---------------------------------------------------------------------------- "Captain, this ship will not sustain the forming of the cosmos." B'Elana Torres
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