| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Anj Adu <fotographs(at)gmail(dot)com> |
| Cc: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>, Devrim GÜNDÜZ <devrim(at)gunduz(dot)org>, pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: XID wraparound in 8.4 |
| Date: | 2009-08-12 04:56:02 |
| Message-ID: | 20090812045602.GT16362@alvh.no-ip.org |
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| Lists: | pgsql-admin |
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.
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