On Mon, Apr 24, 2006 at 08:41:55AM -0400, Alvaro Herrera wrote:
> The test for database-wide vacuum is:
>
> database age > big_constant
>
> where:
>
> big_constant = (MaxTransactionId >> 3) * 3 - 100000) = 1610512733
Ok, I'll bite... any idea how (MaxTransactionId >> 3) * 3 was chosen? I
don't see anything about it in vacuum.c...
Also, maybe that should be defined in one place rather than duplicating
it in autovacuum.c?
--
Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461