Re: "nice"/low priority Query

From: Neil Conway <neilc(at)samurai(dot)com>
To: "Jim C(dot) Nasby" <decibel(at)decibel(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Tobias Brox <tobias(at)nordicbet(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: "nice"/low priority Query
Date: 2005-08-04 17:32:39
Message-ID: 42F25137.4030107@samurai.com
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Jim C. Nasby wrote:
> Actually, from what I've read 4.2BSD actually took priority into account
> when scheduling I/O.

FWIW, you can set I/O priority in recent versions of the Linux kernel
using ionice, which is part of RML's schedutils package (which was
recently merged into util-linux).

-Neil

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