On 2015-10-05 09:39:58 -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > How about simply removing that sentence? I.e. something like
> > <literal>autovacuum_freeze_max_age</> larger than the system-wide setting
> > - (it can only be set smaller). Note that while you can set
> > - <literal>autovacuum_freeze_max_age</> very small, or even zero, this is
> > - usually unwise since it will force frequent vacuuming.
> > + (it can only be set smaller).
> > </para>
>
> How about "Setting autovacuum_freeze_max_age to very small values
> is unwise since it will force frequent vacuuming."
Well, you still can't really set it to a very small value - the lower
limits are still 100k/10k for xids/mxids. To me that sentence mostly
made sense with the old logic where no lower limits existed.
Andres
