Re: Benchmark Data requested - Mailing list pgsql-performance

From Simon Riggs
Subject Re: Benchmark Data requested
Date
Msg-id 1202248803.4252.895.camel@ebony.site
Whole thread Raw
In response to Re: Benchmark Data requested  ("Jignesh K. Shah" <J.K.Shah@Sun.COM>)
Responses Re: Benchmark Data requested  (Greg Smith <gsmith@gregsmith.com>)
List pgsql-performance
On Tue, 2008-02-05 at 15:50 -0500, Jignesh K. Shah wrote:

> Is there a way such an operation can be spawned as a worker process?
> Generally during such loading - which most people will do during
> "offpeak" hours I expect additional CPU resources available. By
> delegating such additional work to worker processes, we should be able
> to capitalize on additional cores in the system.
>
> Even if it is a single core, the mere fact that the loading process will
> eventually wait for a read from the input file which cannot be
> non-blocking, the OS can timeslice it well for the second process to use
> those wait times for the index population work.

If Dimitri is working on parallel load, why bother?

--
  Simon Riggs
  2ndQuadrant  http://www.2ndQuadrant.com


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