Re: Two MySql servers, but very different performances for a SELECT JOIN

2008-04-16 Thread tmarly
Selon Rob Wultsch <[EMAIL PROTECTED]>: > http://www.google.com/search?q=STRAIGHT_FORWARD+mysql yields buckus. > Where is this documented? oops, I meant 'straight_join' :/ Tristan -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql

Re: Two MySql servers, but very different performances for a SELECT JOIN

2008-04-16 Thread Rob Wultsch
On Wed, Apr 16, 2008 at 12:41 AM, <[EMAIL PROTECTED]> wrote: > The 'STRAIGHT_FORWARD' + 'FORCE INDEX' worked, thanks a lot to all :) http://www.google.com/search?q=STRAIGHT_FORWARD+mysql yields buckus. Where is this documented? -- Rob Wultsch [EMAIL PROTECTED] wultsch (aim) -- MySQL General

Re: Two MySql servers, but very different performances for a SELECT JOIN

2008-04-16 Thread tmarly
The 'STRAIGHT_FORWARD' + 'FORCE INDEX' worked, thanks a lot to all :) Tristan -- Tristan Marly 06.16.84.57.43 http://www.linkedin.com/in/tristanmarly -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]

Re: Two MySql servers, but very different performances for a SELECT JOIN

2008-04-15 Thread Rob Wultsch
On Tue, Apr 15, 2008 at 9:05 AM, Wm Mussatto <[EMAIL PROTECTED]> wrote: > Possible key refers to the keys that the server thinks might be usable. > key refers to the one is chose. On the slow server it decided that the > possible key would not work so it didn't use it. You might try to force >

Re: Two MySql servers, but very different performances for a SELECT JOIN

2008-04-15 Thread Wm Mussatto
On Tue, April 15, 2008 02:03, [EMAIL PROTECTED] wrote: > I'm still trying to decript the EXPLAIN result, and there is something I > really > don't understand: > > mysql> EXPLAIN SELECT STRAIGHT_JOIN media.* FROM country,content,media > WHERE > country.id='Germany' AND country.detail_tid=content.tid

Re: Two MySql servers, but very different performances for a SELECT JOIN

2008-04-15 Thread tmarly
I'm still trying to decript the EXPLAIN result, and there is something I really don't understand: mysql> EXPLAIN SELECT STRAIGHT_JOIN media.* FROM country,content,media WHERE country.id='Germany' AND country.detail_tid=content.tid AND content.id=media.content_id; On the FAST server: +--+---+

Re: Two MySql servers, but very different performances for a SELECT JOIN

2008-04-13 Thread Sebastian Mendel
Tristan Marly schrieb: First, thanks for all your suggestions and for beeing so reactive. @Martin: the explain result was in attachment, but you will have more results in this current mail. @Rob: you are right, the 'show index' shows strange things, cf. below. @Rodolphe: indeed the STRAIGHT_

Re: Two MySql servers, but very different performances for a SELECT JOIN

2008-04-13 Thread Tristan Marly
(cf. in attachment my notes. I attached there to avoid unwanted carriage returns) -- First, thanks for all your suggestions and for beeing so reactive. @Martin: the explain result was in attachment, but you will have more results in this current mail. @Rob: you are right, the 'show index' sh

Re: Two MySql servers, but very different performances for a SELECT JOIN

2008-04-11 Thread Rob Wultsch
2008/4/11 <[EMAIL PROTECTED]>: > Hi, > > I have 2 MySql server instances. One which is 5.0.27/Debian, another > 5.0.32/Solaris. > > Both instances have the same data in the database. > > And I'm doing a select: > SELECT media.* FROM media,country,content WHERE country.id='Germany' AND > coun