Re: PostgreSQL vs. MySQL: fight

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pgsql-advocacy(at)postgresql(dot)org
Cc: "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>, "Lukas Kahwe Smith" <smith(at)pooteeweet(dot)org>, "Jeff Davis" <pgsql(at)j-davis(dot)com>, Decibel! <decibel(at)decibel(dot)org>, "Greg Smith" <gsmith(at)gregsmith(dot)com>
Subject: Re: PostgreSQL vs. MySQL: fight
Date: 2007-08-14 05:16:15
Message-ID: 200708132216.16550.josh@agliodbs.com
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Pavel,

> I did't test MySQL three years, But three years ago, MySQL rollback
> was really, really slow.

Based on recent testing I did, rollbacks are very expensive -- like 3x to 4x
the cost of the original insert in high-concurrency environments. Also not
always reliable (as of 5.0).

--
Josh Berkus
PostgreSQL @ Sun
San Francisco

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