Re: effective_cache_size vs units

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, Magnus Hagander <magnus(at)hagander(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: effective_cache_size vs units
Date: 2006-12-19 21:47:58
Message-ID: 200612192147.kBJLlwh13619@momjian.us
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Joshua D. Drake wrote:
> On Tue, 2006-12-19 at 10:01 +0100, Peter Eisentraut wrote:
> > Magnus Hagander wrote:
> > > Is it possible to add an error hint to the message? Along the line of
> > > "HINT: Did you perhaps get your casing wrong" (with better wording,
> > > of course).
> >
> > Or how about we just make everything case-insensitive -- but
> > case-preserving! -- on Windows only?
>
> Or we could simply add a helpful line to the postgresql.conf.

Looking at the documentation I see:

(possibly different) unit can also be specified explicitly. Valid
memory units are <literal>kB</literal> (kilobytes),
<literal>MB</literal> (megabytes), and <literal>GB</literal>
(gigabytes); valid time units are <literal>ms</literal>
(milliseconds), <literal>s</literal> (seconds),
<literal>min</literal> (minutes), <literal>h</literal> (hours),
and <literal>d</literal> (days). Note that the multiplier for
memory units is 1024, not 1000.

The only value to being case-sensitive in this area is to allow
upper/lower case with different meanings, but I don't see us using that,
so why do we bother caring about the case?

--
Bruce Momjian bruce(at)momjian(dot)us
EnterpriseDB http://www.enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

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