Ron St-Pierre wrote:
> I stopped using autovacuum months ago because of similar problems
> (version 8.1.4). Because we do some major inserts and updates about four
> times a day, there were a few tables that I didn't want autovacuumed.
> Even after I turned autovacuum off for these tables it still tried to
> vacuum them while the updates were running. Instead, I just created cron
> jobs to vacuum the two tables with the most updates daily, and the one
> with the most inserts weekly. Performance has been pretty good.
FYI, in 8.2 and up the Xid wraparound problem is considered on a table
by table basis, which means that only the tables that have not been
vacuumed recently need to be vacuumed. The need for database wide
vacuuming is gone.
> Time to start VACUUM FULL ANALYZE over the weekend.
For Xid wraparound you don't need FULL anyway, in any release.
--
Alvaro Herrera http://www.amazon.com/gp/registry/CTMLCN8V17R4
"Find a bug in a program, and fix it, and the program will work today.
Show the program how to find and fix a bug, and the program
will work forever" (Oliver Silfridge)
