Alvaro Herrera wrote:
Tom Lane wrote:
Alvaro Herrera <[EMAIL PROTECTED]> writes:
But this is misleading (started postmaster with good value, then edited
postgresql.conf and entered "-2"):
17903 LOG:  received SIGHUP, reloading configuration files
17903 LOG:  -2 is outside the valid range for parameter 
"autovacuum_vacuum_cost_limit" (-1 .. 1000)
Note how it still says the range is -1 .. 1000.
Can we redefine things to make zero be the "disabled" value, thus
keeping the range of valid values contiguous?

That would be another solution ... though it would be different from the
valid value for autovacuum_vacuum_cost_delay (on which 0 is a valid
value).  Also it would be a different value from previous versions.

I don't think either of these is a showstopper, so let's go for that if
nobody objects.

Can you make 0 and -1 both valid disabled values? That way it will be compatible with previous releases.

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