Re: Swappiness setting on a linux pg server

From: Tobias Brox <tobias(at)nordicbet(dot)com>
To: "Jim C(dot) Nasby" <jim(at)nasby(dot)net>
Cc: Tobias Brox <tobias(at)nordicbet(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Swappiness setting on a linux pg server
Date: 2006-10-19 16:39:22
Message-ID: 20061019163922.GD31916@oppetid.no
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[Jim C. Nasby - Thu at 11:31:26AM -0500]
> Yeah, test setups are a good thing to have...

We would need to replicate the production traffic as well to do reliable
tests. Well, we'll get to that one day ...

> The issue with pg_xlog is you don't need bandwidth... you need super-low
> latency. The best way to accomplish that is to get a battery-backed RAID
> controller that you can enable write caching on.

Sounds a bit risky to me :-)

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