Heh, too quick on the send button...

On Tue, Mar 28, 2006 at 09:42:51PM +0200, PFC wrote:
>       I'll only speak about MyISAM. MySQL == MyISAM. InnoDB is useless : 
>       if you  want transactions, use postgres.
>       If you say to yourself "oh yeah, but it would be cool to use a 
>       MyISAM  table for stuff like hit counters etc"... Is it the job of a 
> SQL 
> database  to count hits on the root page of your site ? No. To store user 
> sessions ?  No. The job of a SQL database is to efficiently handle data, 
> not to do  something that should stay in RAM in the application server 
> process, or at  worst, in a memcached record.

Actually, it's entirely possible to do stuff like web counters, you just
want to do it differently in PostgreSQL. Simply insert into a table
every time you have a hit, and then roll that data up periodically.

And using MyISAM is no panacea, either. Trying to keep a web counter in
a MyISAM table means you'll serialize every web page on that counter
update.
-- 
Jim C. Nasby, Sr. Engineering Consultant      [EMAIL PROTECTED]
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461

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