On Mon, Apr 24, 2006 at 11:21:16AM +0530, Gourish Singbal wrote: > The Age of the database is 1144759836 . We have enabled autovacuuming . > The details are:- > autovacuum = on > autovacuum_naptime = 300 > autovacuum_vacuum_threshold = 10000 > autovacuum_analyze_threshold = 5000 > autovacuum_vacuum_scale_factor = 0.3 > autovacuum_analyze_scale_factor = 0.3 Those settings are *really* conservative... I normally use 400, 200, 0.2, 0.1 respectively... > Wanted to know when the auto-vacuum daemon will run an database-wide vacuum > call to avoid transaction ID wraparound failures. IIRC it will do that somewhere between 2B and 4B transactions have elapsed. The true answer lies somewhere in src/backend/postmaster/autovacuum.c. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@xxxxxxxxxxxxx Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
