Re: mysql big table select speed

2008-09-25 Thread Carles Pina i Estany
Hello, On Sep/24/2008, Phil wrote: Just a wild guess but, did you perhaps change the filesystem to a journalling filsystem when moving to the different server? mount reports the same (ext3) I once accidently moved my database from an ext2 to an ext3 partition and it took me a while to

Re: mysql big table select speed

2008-09-25 Thread Ananda Kumar
does it have the same network speed as your old server. On 9/25/08, Carles Pina i Estany [EMAIL PROTECTED] wrote: Hello, On Sep/24/2008, Phil wrote: Just a wild guess but, did you perhaps change the filesystem to a journalling filsystem when moving to the different server? mount

Re: mysql big table select speed

2008-09-25 Thread Ananda Kumar
is /tmpdir parameter on both machines using the default value On 9/25/08, Carles Pina i Estany [EMAIL PROTECTED] wrote: Hello, On Sep/25/2008, Ananda Kumar wrote: does it have the same network speed as your old server. yes, it has. But I'm running the query from localhost :-) (socket

Re: mysql big table select speed

2008-09-25 Thread Carles Pina i Estany
Hello, On Sep/25/2008, Ananda Kumar wrote: is /tmpdir parameter on both machines using the default value Old machine: yes. New machine: I have tried two places (different partitions, same FS -ext3-, same hard disk). On the old machine it's in a different partition of the same hard disk than

Re: mysql big table select speed

2008-09-25 Thread Carles Pina i Estany
Hello, On Sep/25/2008, Ananda Kumar wrote: does it have the same network speed as your old server. yes, it has. But I'm running the query from localhost :-) (socket connection). Even, the query only returns one number and I don't have any federated tables, etc. On 9/25/08, Carles Pina i

Re: mysql big table select speed

2008-09-25 Thread Ananda Kumar
On the new machine its on a different partition than the database. Also did u try to analyze the table and run the query On 9/25/08, Carles Pina i Estany [EMAIL PROTECTED] wrote: Hello, On Sep/25/2008, Ananda Kumar wrote: is /tmpdir parameter on both machines using the default value

RE: nagios server blocked

2008-09-25 Thread Martin Gainty
Agador- Thats LOT of errors I would recommend using the error log to determine whats causing these errors (and then fix) HTH Martin __ Disclaimer and confidentiality note Everything in this e-mail and any attachments relates to the official

confused about logging

2008-09-25 Thread John G. Heim
My web server is running drupal. Yesterday it started giving error messages instead of displaying the hom page. The error says, The MySQL error was: Host 'web1.math.wisc.edu' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'. I want to find out why that

Re: mysql big table select speed

2008-09-25 Thread Carles Pina i Estany
Hello, On Sep/25/2008, Ananda Kumar wrote: On the new machine its on a different partition than the database. Also did u try to analyze the table and run the query I will do it (maybe on Saturday, as I guess that will take long time to do it). But I think that I did last weekend when I

Question on replication

2008-09-25 Thread Kandy Wong
Hi, Is there a replication setup method just to replicate a specific database not all the databases or exclude a specific database not to be replicated? Thank you. Kandy -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:

Re: Question on replication

2008-09-25 Thread Jimmy Guerrero
Hello, Check out: --replicate-do-db=db_name http://dev.mysql.com/doc/refman/5.0/en/replication-options.html -- Jimmy Kandy Wong wrote: Hi, Is there a replication setup method just to replicate a specific database not all the databases or exclude a specific database not to be replicated?

Help!

2008-09-25 Thread Grant Peel
Hi all, I have a table I needed to prune because it had grown to 5 million rows and it appeared that that app that uses it couldnt anymore. I am in the process of: DELETE FROM mytable WHERE id 300; the above has been running for close than an hour and I am starting to get a little

Re: Help!

2008-09-25 Thread andrewmchorney
Hello I would not recommend delete massive numbers of records in a single sql statement. I have had problems doing this on a system with few records (1.7 million) and doing a delete with a condition clause of where 1 = 1. The server had problems with this. The MySQL server is probably

RE: Help!

2008-09-25 Thread Martin Gainty
2 items I would increase bump key_buffer_size as suggested here http://dev.mysql.com/doc/refman/5.1/en/delete-speed.html also TRUNCATE instead of DELETE where TRANSACTION is not active Martin __ Disclaimer and confidentiality note Everything in

MySQL and SAN storage - a request for comments

2008-09-25 Thread Michael Dykman
Hello all, I recent started employment with a company which has a lot of mysql servers (100+ is my best estimate so far) and have all of their database servers, masters and slaves alike, using one of 2 SANs for data storage. They servers are connected to dedicated switches with fibre to to SANs

Re: Help!

2008-09-25 Thread Ananda Kumar
If the table has a primary key column then i would do this. cursor cursor_name select primary_key_column from tabl_name where id 300; open cursor_name fetch cursor_name into a_variable; delete from table_name where primary_key_column=a_variable; commit for every 1000 records; exit when