Re: MultiXact\SLRU buffers configuration

On Thu, Jan 20, 2022 at 09:21:24PM +0500, Andrey Borodin wrote:
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> > 20 янв. 2022 г., в 20:44, Shawn Debnath <sdn@amazon.com> написал(а):
> Can you please also test 2nd patch against a large multixact SLRUs?
> 2nd patch is not intended to do make thing better on default buffer sizes. It must save the perfromance in case of
reallyhuge SLRU buffers.
 

Test was performed on 128/256 for multixact offset/members cache as 
stated in my previous email.  Sure I can test it for higher values - but 
what's a real world value that would make sense? We have been using this 
configuration successfully for a few of our customers that ran into 
MultiXact contention.

-- 
Shawn Debnath
Amazon Web Services (AWS)