Re: Practical maximums (was Re: PostgreSQL theoretical

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От Alvaro Herrera
Тема Re: Practical maximums (was Re: PostgreSQL theoretical
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Msg-id 20060807214314.GC2666@alvh.no-ip.org
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Ответ на Re: Practical maximums (was Re: PostgreSQL theoretical  (Ron Johnson <ron.l.johnson@cox.net>)
Ответы Re: Practical maximums (was Re: PostgreSQL theoretical  (Ron Johnson <ron.l.johnson@cox.net>)
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Ron Johnson wrote:

> This is where a multi-threaded pg_tapedump would be more effective,
> since it would be able to, for example, have 4 threads reading
> (different parts of) the database and writing to 4 separate tape drives.

It will be difficult to have a consistent dump though.  You can't do
that with separate transactions.  (And you can't have multiple
simultaneous readers without separate transactions.)

--
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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