Re: Replication performance questions

2007-03-01 Thread Ross Vandegrift
On Thu, Mar 01, 2007 at 08:29:09PM -0800, Gary W. Smith wrote: > > The table is MyISAM. I searched on google a bit for info on slow > > updates with MyISAM and didn't really hit it on the nose. Can I ask > > you to elaborate? > > > > In /etc/my.cnf try adding: > > long_query_time = 1 > log-slo

RE: Replication performance questions

2007-03-01 Thread Gary W. Smith
> The table is MyISAM. I searched on google a bit for info on slow > updates with MyISAM and didn't really hit it on the nose. Can I ask > you to elaborate? > In /etc/my.cnf try adding: long_query_time = 1 log-slow-queries=/var/lib/mysql/mysql-slow.log Restart and then watch the file. If a a

Re: Replication performance questions

2007-03-01 Thread Ross Vandegrift
On Thu, Mar 01, 2007 at 03:46:56PM -0800, Gary W. Smith wrote: > > 1) Does increasing the number of replication slaves increase query > > latency on the master? We're considering tiering the replication if > > it might help - replicate the master to two slaves, each of which > > replicates to ten

Stored process accessing tables in different database

2007-03-01 Thread Gary W. Smith
I'm having trouble with a stored proc. The problem is that the first table is in a different database. Here is the test stored proc below. Where I run this I get " ERROR 1327 (42000): Undeclared variable: s". I have tried it by declaring "clientdev.servers s" and just by using "clientdev.server

MySQL Connector/J 5.0.5 Has Been Released

2007-03-01 Thread Mark Matthews
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, MySQL Connector/J 5.0.5 a new version of the Type-IV pure-Java JDBC driver for MySQL has been released. This is a bug fix release for the current production branch of Connector/J. Version 5.0.5 is suitable for use with any MySQL version includi

Re: Database table with unique no duplications

2007-03-01 Thread Alexander Lind
declare the two fields you want unique as such? unique index. alec Kory Wheatley wrote: I have a database called accountcreation, and I want to setup a table called accountinfo. This table will require that two out of the three fields need to be "UNIQUE", I don't want duplications in these

Re: Database table with unique no duplications

2007-03-01 Thread Anoop kumar V
I would suggest you put an after insert trigger which does the validation for you. If 2 fields are already null then it will just return an error and rollback else it will allow the insert to be committed. regards, Anoop On 3/1/07, Kory Wheatley <[EMAIL PROTECTED]> wrote: I have a database cal

RE: Replication performance questions

2007-03-01 Thread Gary W. Smith
> Also, what type of database are you using? INNODB? MyISAM? If you > are > running MyISAM then things can get slow on updates. Sorry, I missed where you said you were using MyISAM. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.

RE: Replication performance questions

2007-03-01 Thread Gary W. Smith
I could be wrong BUT... > 1) Does increasing the number of replication slaves increase query > latency on the master? We're considering tiering the replication if > it might help - replicate the master to two slaves, each of which > replicates to ten clients. The slaves should only be pulling fr

Replication performance questions

2007-03-01 Thread Ross Vandegrift
Hi guys, We have a MySQL database that we replicate to about a dozen clients and we hope to be increasing that number to about 15-20. The database has two tables. One is negligably small and changes maybe once a month. The second is about 1.3 million rows and grows at the rate of about 800-1000

Re: [PHP] [X-POST] PHP script to make sure MySQL is up?

2007-03-01 Thread Richard Lynch
On Thu, March 1, 2007 1:37 pm, Brian Dunning wrote: > I host at Rackspace, and one thing that their monitoring service does > NOT catch is a problem when too many connections hit MySQL, and for > some reason it remains hung up until the service is manually > restarted. In the meantime, this is happ

Re: [X-POST] PHP script to make sure MySQL is up?

2007-03-01 Thread Kévin Labécot
Le 1 mars 07 à 20:46, Chris McKeever a écrit : On 3/1/07, Brian Dunning <[EMAIL PROTECTED]> wrote: Is there such a thing as a PHP script that I can put on a cron job to run every minute and make a test query, and upon failure, restart the service and maybe send an email to Rackspace support?

[X-POST] PHP script to make sure MySQL is up?

2007-03-01 Thread Chris McKeever
On 3/1/07, Brian Dunning <[EMAIL PROTECTED]> wrote: Is there such a thing as a PHP script that I can put on a cron job to run every minute and make a test query, and upon failure, restart the service and maybe send an email to Rackspace support? I don't know how you'd check that the query was re

[X-POST] PHP script to make sure MySQL is up?

2007-03-01 Thread Brian Dunning
I host at Rackspace, and one thing that their monitoring service does NOT catch is a problem when too many connections hit MySQL, and for some reason it remains hung up until the service is manually restarted. In the meantime, this is happening to us once or twice a month. It gets hammered

MySQL 5.1.16 Beta has been released

2007-03-01 Thread Mads Martin Joergensen
Dear MySQL users, We are proud to present to you the MySQL Server 5.1.16 Beta release, a new Beta version of the popular open source database. Bear in mind that this is a beta release, and as any other pre-production release, caution should be taken when installing on production level systems or

Re: [inbox] Re: Breaking Up Tables

2007-03-01 Thread tonylabarbara
-Original Message- From: [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Thu, 1 Mar 2007 11:47 AM Subject: Re: [inbox] Re: Breaking Up Tables >Hope this helps. Sure does! Thanks a bunch :)) Tony AOL now offers f

Re: Argh! Another Server Has Gone Away

2007-03-01 Thread JamesDR
Kévin Labécot wrote: Le 21 févr. 07 à 14:17, Kévin Labécot a écrit : Hi, I know this problem is already on forums and archives but I don't understand mine ! My MySQL Server works well, there are many scripts and website using it, without any problem. Since few days I'm working on a new pro

RE: Breaking Up Tables

2007-03-01 Thread Gary W. Smith
> I have an unusual problem. My current production server's OS is corrupt > and I'm building a new one. However, due to the corruption, I can't > move files out of it. I have a "back door" through Zope, but I can only > move files of a certain size (I don't know how large ;). I need to back > up a

Re: Argh! Another Server Has Gone Away

2007-03-01 Thread Kévin Labécot
Le 21 févr. 07 à 14:17, Kévin Labécot a écrit : Hi, I know this problem is already on forums and archives but I don't understand mine ! My MySQL Server works well, there are many scripts and website using it, without any problem. Since few days I'm working on a new project and if a do (ph

Re: [inbox] Re: Breaking Up Tables

2007-03-01 Thread Aaron Cannon
It's nothing to do with MySQL. split is a command that you can find under many flavors of Linux, and Linux-like OSes. At the shell prompt, type: man split to see the documentation. However, if you have bzip2 on your system, I would recommend running that first, in order to compress it as much

RE: MySQL Daylight Savings Time Patch - easy check

2007-03-01 Thread Jerry Schwartz
Oops - I should have done /etc/init.d/mysql restart Things are now working just fine. Thanks for the tip about restarting the server! UNIX_TIMESTAMP('2007-03-11 02:00:00') | UNIX_TIMESTAMP('2007-03-11 03:00:00') --+- -

RE: MySQL Daylight Savings Time Patch - easy check

2007-03-01 Thread Jerry Schwartz
I'm still not having any luck. I did shell> /etc.init.d/mysql reload my @@global.time_zone is still SYSTEM, and yet I still get UNIX_TIMESTAMP('2007-03-11 02:00:00') | UNIX_TIMESTAMP('2007-03-11 03:00:00') --+- -

Re: [inbox] Re: Breaking Up Tables

2007-03-01 Thread tonylabarbara
-Original Message- From: [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Thu, 1 Mar 2007 10:35 AM Subject: Re: [inbox] Re: Breaking Up Tables >if you have shell access on the server, why not just use >split? Create your big dump file, split it into smaller >chunks and use cat on the ot

Re: [inbox] Re: Breaking Up Tables

2007-03-01 Thread Eugene Mah
[EMAIL PROTECTED] wrote: -Original Message- From: [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Thu, 1 Mar 2007 10:00 AM Subject: Re: Breaking Up Tables It's nothing to do with mysqldump - it's part of the SELECT syntax for regular queries. Then I'm confused as to what you're sugge

Re: Breaking Up Tables

2007-03-01 Thread Fagyal Csongor
-Original Message- From: [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Thu, 1 Mar 2007 10:00 AM Subject: Re: Breaking Up Tables It's nothing to do with mysqldump - it's part of the SELECT syntax for regular queries. Then I'm confused as to what you're suggesting I do. I ne

Re: Breaking Up Tables

2007-03-01 Thread tonylabarbara
-Original Message- From: [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Thu, 1 Mar 2007 10:00 AM Subject: Re: Breaking Up Tables >It's nothing to do with mysqldump - it's part of the SELECT syntax for regular >queries. Then I'm confused as to what you're suggesting I do. I need to crea

Re: Breaking Up Tables

2007-03-01 Thread Duncan Hill
On Thursday 01 March 2007 13:43:38 [EMAIL PROTECTED] wrote: > >Otherwise you're looking at perhaps select limit 0,1000, 1000,1000, > > 2000,1000 > > > >etc .. > > Can you clean up this command? I can't find documentation on the select > limit part of a mysqldump command. It's nothing to do with my

Re: Breaking Up Tables

2007-03-01 Thread tonylabarbara
-Original Message- From: [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Thu, 1 Mar 2007 6:01 AM Subject: Re: Breaking Up Tables >Otherwise you're looking at perhaps select limit 0,1000, 1000,1000, 2000,1000 >etc .. Can you clean up this command? I can't find documentation on the sel

RE: Breaking Up Tables

2007-03-01 Thread Tim Lucia
> -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Thursday, March 01, 2007 4:57 AM > To: mysql@lists.mysql.com > Subject: Breaking Up Tables > > Hi; > I have an unusual problem. My current production server's OS is corrupt > and I'm building a new one. Howe

Re: Breaking Up Tables

2007-03-01 Thread Duncan Hill
On Thursday 01 March 2007 09:56:41 [EMAIL PROTECTED] wrote: > Hi; > I have an unusual problem. My current production server's OS is corrupt and > I'm building a new one. However, due to the corruption, I can't move files > out of it. I have a "back door" through Zope, but I can only move files of >

Breaking Up Tables

2007-03-01 Thread tonylabarbara
Hi; I have an unusual problem. My current production server's OS is corrupt and I'm building a new one. However, due to the corruption, I can't move files out of it. I have a "back door" through Zope, but I can only move files of a certain size (I don't know how large ;). I need to back up a cer

Re: MySQL Certification

2007-03-01 Thread Gabriel PREDA
Thanx for all the messages but I wasn't talking about the list "mysql@lists.mysql.com"... I get all those mails... I was talking about the speficic certification list "[EMAIL PROTECTED]". (Sorry for not being that clear !) And still no words about maximum space between DEV1 and DEV2 !!! Thanx -

problem of the procedure migration from the SQLServer2000 to MySQL

2007-03-01 Thread lm761104
SQLServer2000:Item ColorQuantity -- TableBlue 124 TableRed 223 Chai