Re: CLOG contention

On Thu, Jan 5, 2012 at 1:12 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> 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

The assumption that machines that need this will have gigabytes of
shared memory set is not valid IMO.

merlin