Re: PostgreSQL is much faster than MySQL, only when...

From: Barbara Lindsey <blindsey(at)cog(dot)ufl(dot)edu>
To: Marek Lewczuk <newsy(at)lewczuk(dot)com>
Cc: Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>, pgsql-general(at)postgresql(dot)org
Subject: Re: PostgreSQL is much faster than MySQL, only when...
Date: 2003-11-26 13:53:57
Message-ID: 3FC4B075.4050306@cog.ufl.edu
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How does the performance compare using models mimicked from Oracle? Is
there any information anywhere on that?

Marek Lewczuk wrote:
> Użytkownik Robert Treat napisał:
>
>> On Tue, 2003-11-25 at 08:07, Marek Lewczuk wrote:
>>
>>
>> Yes. I think the gist of your post was "out of the box postgresql
>> performed like garbage compared to mysql, but then i spent some time
>> tweaking and tuning, taking advantage of indexes, and now it performs so
>> quickly that i am unable to make any changes within mysql to match
>> postgresql's performance"
>
> Exactly. But as I wrote before - tweaking and tuning wasn't so
> important... You cannot use the same db structure in both databases -
> even if you think that all indexes, keys are well for MySQL it could be
> not sufficient for PostgreSQL. Many people use the same structure and
> they see that PostgreSQL is slower... so I just wanted to tell them,
> that it is necessary to re-check structure which will be used with PG.
>
>
>>
>> I'm curious as to what type of application you run and what first
>> prompted you to switch to postgresql?
>
> It's analysis system for automotive market. There are many complicated
> querys, with many joins... PostgreSQL is much more flexible, more
> powerful and more stable than MySQL. There are also many other features
> which are just not available in MySQL...
>
>>
>> Robert Treat
>
>
>
>
>
>
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--
Barbara E. Lindsey,
COG RDC
Phone: (352) 392-5198 ext. 314 Fax: (352) 392-8162

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