Re: High context switches occurring - Mailing list pgsql-performance

From Simon Riggs
Subject Re: High context switches occurring
Date
Msg-id 1132769638.4347.7.camel@localhost.localdomain
Whole thread Raw
In response to Re: High context switches occurring  ("Anjan Dave" <adave@vantage.com>)
List pgsql-performance
On Tue, 2005-11-22 at 18:17 -0500, Anjan Dave wrote:

> It's mostly a 'read' application, I increased the vm.max-readahead to
> 2048 from the default 256, after which I've not seen the CS storm,
> though it could be incidental.

Can you verify this, please?

Turn it back down again, try the test, then reset and try the test.

If that is a repeatable way of recreating one manifestation of the
problem then we will be further ahead than we are now.

Thanks,

Best Regards, Simon Riggs


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