Anyone experimented with CPU affinity for mysqld on multiprocessor and/or hyperthreaded systems?

2006-01-12 Thread Jeff Barr
Like the subject says, I am looking for any info regarding positive or negative effects of using CPU affinity to lock the MySQL process to a single processor (possibly hyperthreaded). Anyone tried this? Learn anything interesting? Thanks, Jeff; -- MySQL General Mailing List For list archives:

Re: optimizing InnoDB tables

2004-12-16 Thread Jeff Barr
I have a question about: > If you want to regain some of the space used by the INNODB file you > will have to convert all INNODB tables to MYISAM (or dump them to > a SQL file), recreate the INNODB file (s) and then recreate the > original INNODB tables. So, just to be clear, is this the right

Will series of limited selects return entire table?

2004-10-09 Thread Jeff Barr
If I have a MyIsam table that is not subject to modification, is a series of select calls like this: select * from table limit 0,100; select * from table limit 100,100; select * from table limit 200,100; ... Guaranteed to return each row in the table exactly once (as long as I keep going until the

Anyone using mysqlstat?

2004-09-18 Thread Jeff Barr
I recently found the MySQLStat page (http://www.mysqlstat.org/en). The screen shots look very appealing, but the code has not been updated for over 2 years. Is anyone using this code with MySQL version 4? Is there another web application with similar or better functionality? Thanks, Jeff; -- *

Re: mysqldump all tables except 2 in a database

2004-08-31 Thread Jeff Barr
I have a script on my site that I call "smalltables". When run, it echoes out the names of all of the tables _except_ for the large ones that I don't back up. I then use this in the mysqldump command line: /usr/local/mysql/bin/mysqldump -q --user=UUU --host=localhost --password=PPP DB_NAME `small

Customizing character processing for fulltext indexing?

2004-08-06 Thread Jeff Barr
Is there a way to customize the way that MySQL treats various characters when it builds a fulltext index? I am using version 4.0.18. I would like to treat a "." as part of a word, rather than as a separator character. Ideally, I would like to set this for just one index of one table. I have a