Re: What is "Postgresql Hot"?

From: Dave Page <dpage(at)postgresql(dot)org>
To: Ericson Smith <esconsult1(at)gmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: What is "Postgresql Hot"?
Date: 2007-05-22 03:08:07
Message-ID: 46525E97.5050206@postgresql.org
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Ericson Smith wrote:
> I've not been following up on the list for some time now, and recently
> re-subscribed. There is some talk of "Postgresql Hot" which appears to
> be a hot backup solution that may be included in 8.3

What makes you think it's a hot backup utility? HOT is a technique for
minimizing (or eliminating) index tuple rewrites for frequently updated
tables, thus dramatically reducing IO (and consequently increasing
performance) in the right circumstances.

> * How is it different from the current Perl script out there?

I'm not aware of an existing perl script.

> * Can't pg_dump already give us hot backups?

Yes, it can.

Regards, Dave.

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