"Heikki Linnakangas" <heikki@enterprisedb.com> writes:
> Marti Raudsepp wrote:
>> However, as of PostgreSQL 8.3, postmaster requires that the number of
>> buffers is at least (max_connections*2 + 6)
> Hmm. The minimum is actually (max_connections + max_autovacuum_workers)
> * 2. The default max_autovacuum_workers is 3, which is where that 6
> (2*3) comes from.
It's sort of irrelevant IMHO, as any useful setting is orders of
magnitude larger than that anyway. If we were to touch this code it
should be to increase the minimum setting, not to fine-tune the message
text ...
regards, tom lane