Re: CLOG contention

On Thu, Jan 5, 2012 at 11:10 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
> Let's commit the change to 32.

I would like to do that, but I think we need to at least figure out a
way to provide an escape hatch for people without much shared memory.
We could do that, perhaps, by using a formula like this:

1 CLOG buffer per 128MB of shared_buffers, with a minimum of 8 and a
maximum of 32

I also think it would be a worth a quick test to see how the increase
performs on a system with <32 cores.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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