Re: Default setting for enable_hashagg_disk

On 2020-Jul-13, Jeff Davis wrote:

> On Tue, 2020-07-14 at 02:25 +1200, David Rowley wrote:
> > Updated summary:
> > * For hash_mem = Tomas [7], Justin [16]
> > * For hash_mem_multiplier with a default > 1.0 = DavidG [21]
> > * For hash_mem_multiplier with default = 1.0 =  PeterG [15][0], Tom
> > [20][24]
> 
> I am OK with these options, but I still prefer a simple escape hatch.

I'm in favor of hash_mem_multiplier.  I think a >1 default is more
sensible than =1 in the long run, but if strategic vote is what we're
doing, then I support the =1 option.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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