Re: XID wraparound in 8.4

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От Alvaro Herrera
Тема Re: XID wraparound in 8.4
Дата
Msg-id 20090812045602.GT16362@alvh.no-ip.org
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Ответ на Re: XID wraparound in 8.4  (Anj Adu <fotographs@gmail.com>)
Ответы Re: XID wraparound in 8.4  (Anj Adu <fotographs@gmail.com>)
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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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