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

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jelle
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Re: Context Switching issue: Spinlock doesn't fix.
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Pine.LNX.4.44.0408311417070.14094-100000@localhost.localdomain
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Context Switching issue: Spinlock doesn't fix. Josh Berkus <josh@agliodbs.com>
Re: Context Switching issue: Spinlock doesn't fix. jelle <jellej@pacbell.net>
Re: Context Switching issue: Spinlock doesn't fix. Josh Berkus <josh@agliodbs.com>

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?
> 
> 

-- 

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