Re: Benchmark Myopia

LOL! Guess I pushed the right button!

Thanks for the benchmark info.

Jared

"Orr, Steve" <sorr_at_rightnow.com>
Sent by: root_at_fatcity.com
01/28/02 08:05 AM
Please respond to ORACLE-L  

        To:     Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
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        Subject:        Benchmark Myopia

> It's faster than Oracle.

Oh... You hit a hot button!!!

MySQL is faster at performing 1 query in 1 database session and not much more. But "comparing" the performance of a database engine without considering concurrent multi-user OLTP activity is very short-sighted. I just finished some benchmark tests of MySQL ISAM, MySQL InnoDB, and Oracle using Perl DBD. MySQL was fast with individual queries, inserts or updates but it barfed as soon as I cranked up the number of sessions. Oracle flew through 30 concurrent sessions with each session performing many different queries. I was eager to further crank up the number of sessions (via a loop
in Perl) but MySQL crapped out so there was no point going any further. MySQL ISAM does table level locking and one session would put all the others
in a wait state. MySQL InnoDB does row level locking but the InnoDB developer (Heikki Tuuri) conceded that it InnoDB also barfs with multi-user
select, inserts, updates and deletes so he's still working on it. The open source MySQL community still has a lot of work to do to catch up to Oracle's
performance when it comes to any real world multi-user database activity.

MySQL faster than Oracle? This is a pearlescent example of benchmark myopia.

IMHO,
Steve Orr
Bozeman, Montana

-----Original Message-----
Sent: Monday, January 28, 2002 6:35 AM
To: Multiple recipients of list ORACLE-L

On Monday 28 January 2002 03:45, Marin Dimitrov wrote:
> maybe u could consider some free databases?
>
> of course the performance, functionality and the ease of use won't be
> comparable to MS SQL but many sites use such databases quite
successfully

Actually, the most popular of the free databases is mySql, which is likely faster than MS Sql. It's faster than Oracle.

Jared

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