Re: Context Switching issue: Spinlock doesn't fix.

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От jelle
Тема Re: Context Switching issue: Spinlock doesn't fix.
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Msg-id Pine.LNX.4.44.0408311417070.14094-100000@localhost.localdomain
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Ответ на Context Switching issue: Spinlock doesn't fix.  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: Context Switching issue: Spinlock doesn't fix.  (Josh Berkus <josh@agliodbs.com>)
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Hello,

Is context switching problem resolved in 8.0?

Can I drop in another Xeon?

Thanks,
Jelle


On Wed, 2 Jun 2004, Josh Berkus wrote:

> Folks,
>
> I've been testing varying SPINS_PER_DELAY in a client's installation of
> PostgreSQL against a copy of a production database, to test varying this
> statistic as a way of fixing the issue.
>
> It does not seem to work.
>
> I've tested all of the following graduated levels:
>
> 100 (the original)
> 250
> 500
> 1000
> 2000
> 5000
> 10000
> 20000
> 30000
> 50000
>
> None of these quantities seem to make any difference at all in the number of
> context switches -- neither down nor up.   Seems to me like this is a dead
> end.   Does anyone have test results that show otherwise?
>
>

--

http://www.jibjab.com


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