From: Alvaro Herrera <alvherre@commandprompt.com>
To: Jim C. Nasby <decibel@decibel.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]
Date: Fri, 2 Mar 2007 12:01:29 -0300
Message-ID: <20070302150129.GF4885@alvh.no-ip.org> (raw)
In-Reply-To: <20070227182621.GE29041@decibel.org>
References: <20070227182621.GE29041@decibel.org>
> From: Kris Kennaway <kris@obsecurity.org>
> We have recently made significant progress on optimizing for MySQL
> running on an 8-core amd64 system. The graph of results may be found
> here:
>
> http://www.freebsd.org/~kris/scaling/scaling.png
>
> This shows the graph of MySQL transactions/second performed by a
> multi-threaded client workload against a local MySQL database with
> varying numbers of client threads, with identically configured FreeBSD
> and Linux systems on the same machine.
Interesting -- the MySQL/Linux graph is very similar to the graphs from
the .nl magazine posted last year. I think this suggests that the
"MySQL deficiency" was rather a performance bug in Linux, not in MySQL
itself ...
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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To: pgsql-performance@postgresql.org
Cc: alvherre@commandprompt.com, decibel@decibel.org
Subject: Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]
In-Reply-To: <20070302150129.GF4885@alvh.no-ip.org>
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