From: Josh Berkus <josh@agliodbs.com>
To: pgsql-hackers@postgresql.org
Cc: Michael Stone <mstone+postgres@mathom.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: [HACKERS] A Better External Sort?
Date: Mon, 3 Oct 2005 13:34:01 -0700
Message-ID: <200510031334.02030.josh@agliodbs.com> (raw)
In-Reply-To: <20050930231032.GQ2241@mathom.us>
References: <31833713.1128111650174.JavaMail.root@elwamui-polski.atl.sa.earthlink.net>
<200509301341.22795.josh@agliodbs.com>
<20050930231032.GQ2241@mathom.us>
Michael,
> >Realistically, you can't do better than about 25MB/s on a
> > single-threaded I/O on current Linux machines,
>
> What on earth gives you that idea? Did you drop a zero?
Nope, LOTS of testing, at OSDL, GreenPlum and Sun. For comparison, A
Big-Name Proprietary Database doesn't get much more than that either.
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco
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To: pgsql-performance@postgresql.org
Cc: josh@agliodbs.com, pgsql-hackers@postgresql.org, mstone+postgres@mathom.us
Subject: Re: [HACKERS] A Better External Sort?
In-Reply-To: <200510031334.02030.josh@agliodbs.com>
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