Re: XID wraparound in 8.4

Anj Adu escribió:
> Reason we dont turn on autovacuum is that we are a "high-volume"
> insert shop with minimal updates..We have about 200 million inserts
> and a few thousand updates only. Most tables are partitions and get
> dropped as part of the purge. Hence..autovacuum is a waste of
> resources. However...the XID issue will force the need for an
> autovacuum at some point..hence we do it as a one-off occasionally.

Hmm, in 8.2 you won't need to vacuum any tables that you drop or
truncate.  Only permanent tables will need to be vacuumed once in a
while.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.