Re: autovacuum_work_mem

On 12/11/2013 09:57 AM, Robert Haas wrote:
> I don't agree with that assessment.  Anything that involves changing
> the scheduling of autovacuum is a major project that will legitimately
> provoke much controversy.  Extensive testing will be needed to prove
> that the new algorithm doesn't perform worse than the current
> algorithm in any important cases.  I have my doubts about whether that
> can be accomplished in an entire release cycle, let alone 2-3 days.
> In contrast, the patch proposed does something that is easy to
> understand, clearly safe, and an improvement over what we have now.

+1

There is an inherent tuning and troubleshooting challenge in anything
involving a feedback loop.

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com