RE: mysterious speedup after doing "FLUSH TABLES"

2006-07-12 Thread Moritz Möller
Hi, table_cache is 8 on our systems. I quick glance at the manual tells me to increase that value (Opened_tables is 2680462406)... I will try that. Thanks ;) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Wednesday, July 12, 2006 12:32 PM To: Moritz Möller

RE: mysterious speedup after doing "FLUSH TABLES"

2006-07-12 Thread Moritz Möller
cking issue, will grab the output of INNODB STATUS the next time it happens. Moritz -Original Message- From: Gabriel PREDA [mailto:[EMAIL PROTECTED] Sent: Wednesday, July 12, 2006 11:22 AM To: Moritz Möller Subject: Re: mysterious speedup after doing "FLUSH TABLES" See http://

RE: mysterious speedup after doing "FLUSH TABLES"

2006-07-12 Thread Moritz Möller
Hi, that variable is not set, so it should be the default value (2 * number of processors I believe). To what value should I set it? -Original Message- From: Gabriel PREDA [mailto:[EMAIL PROTECTED] Sent: Wednesday, July 12, 2006 10:02 AM To: Moritz Möller Subject: Re: mysterious

mysterious speedup after doing "FLUSH TABLES"

2006-07-11 Thread Moritz Möller
Hello list, we use MySQL 4.1.13 / InnoDB on Xeon em64t running Debian, kernel 2.6.8. After a while, queries run slower and slower, although the CPU is >70% idle and diskio is nearly zero. A simple select by primary key takes up to one second. After doing a FLUSH TABLES the speed is up again. I a

RE: MySQL 5 problem after upgrade

2006-05-27 Thread Moritz Möller
Hi, i've noticed similar behaviour as we upgraded to mysql 5.0. The query optimizer seems to been "optimized" a little too much :-\ -Original Message- From: Szymon Kosok [mailto:[EMAIL PROTECTED] Sent: Saturday, May 27, 2006 5:42 PM Cc: mysql@lists.mysql.com Subject: Re: MySQL 5 prob

RE: mysql performance / ndb 5.1 performance

2006-05-25 Thread Moritz Möller
; n), but still, every 2-3 days the slaves got completely out of sync ("duplicate key" and other) :( Moritz -Original Message- From: Jay Pipes [mailto:[EMAIL PROTECTED] Sent: Thursday, May 25, 2006 6:37 PM To: Moritz Möller Cc: 'Dan Trainor'; mysql@lists.mysql

RE: mysql performance / ndb 5.1 performance

2006-05-24 Thread Moritz Möller
on application level (use server userID%numServers), which would be a [insert favourite non-swear-word here] lot of work ;) Moritz -Original Message- From: Dan Trainor [mailto:[EMAIL PROTECTED] Sent: Thursday, May 25, 2006 1:41 AM To: Moritz Möller; mysql@lists.mysql.com Subject: Re: my

mysql performance

2006-05-24 Thread Moritz Möller
Hi list, we're running some large high-traffic mysql servers, and are currently reaching the limit of our machines. We're using mysql 4.1 / innodb on debian, ibdata is about 35GB. Hardware is quad xeon dualcore, 8 GB RAM. Disk-io is nearly zero, limiting factor is CPU. The queries run very fast (