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From: Josh Berkus <josh@agliodbs.com>
To: pgsql-performance@postgresql.org
Subject: Re: unlogged tables
Date: Tue, 15 Nov 2011 12:51:01 -0800
Message-ID: <4EC2D0B5.6060901@agliodbs.com> (raw)
In-Reply-To: <4EC100810200002500042E7C@gw.wicourts.gov>
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	<20111111201822.GN24234@tamriel.snowman.net>
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	<00ea01cca2ef$abcf3a30$036dae90$@devshock.com>
	<4EC0FAE80200002500042E6C@gw.wicourts.gov>
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	<4EC100810200002500042E7C@gw.wicourts.gov>


>> Unlogged table can increase speed, this table has about 1.6
>> millions of update per hour, but unlogged with a chance of loss
>> all information on a crash are not a good idea for this.
>  
> pg_dump -t 'tablename' from a cron job?  (Make sure to rotate dump
> file names, maybe with day of week or some such.)

Or just "CREATE TABLE AS" copy the table every hour to a second, backup
table.  Then it would be much easier to script automated restore of the
data.

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com



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