Re: MySql at 100% CPU

2008-01-21 Thread Stut
Shawn Green wrote: What you might be seeing is the "purge" process of the InnoDB engine. http://dev.mysql.com/doc/refman/5.0/en/innodb-parameters.html#option_mysqld_innodb_max_purge_lag and from http://dev.mysql.com/doc/refman/5.0/en/innodb-multi-versioning.html >>In a scenario where the use

Re: MySql at 100% CPU

2008-01-21 Thread Shawn Green
Hello Ben, Ben Clewett wrote: No worries :) > Good luck with your problem! Apparently not, since no member of the MySql team wants to tell me and this mailing list what scenario's will cause a low-load MySql system lock at 100% CPU for hours on end. Another of my servers has just entered

Re: MySql at 100% CPU

2008-01-18 Thread Ben Clewett
No worries :) > Good luck with your problem! Apparently not, since no member of the MySql team wants to tell me and this mailing list what scenario's will cause a low-load MySql system lock at 100% CPU for hours on end. Another of my servers has just entered this mode about half an hour ago.

Re: MySql at 100% CPU

2008-01-17 Thread Kevin Hunter
At 12:08p -0500 on 17 Jan 2008, Ben Clewett wrote: The package you show gives the same output as the 'SHOW PROCESSLIST' output, which I included in my previous email :) Heh, that'll teach me to actually /use/ the package before recommending it. :-P (I just found out about it when that article

Re: MySql at 100% CPU

2008-01-17 Thread Ben Clewett
Hi Kevin, Thanks for the advise. The package you show gives the same output as the 'SHOW PROCESSLIST' output, which I included in my previous email :) The problem I have is that the process list, by 'mytop' or 'SHOW PROCESSLIST' shows the server doing noting. Yet 'top' and other tools show

Re: MySql at 100% CPU

2008-01-17 Thread Kevin Hunter
At 3:25a -0500 on 17 Jan 2008, Ben Clewett wrote: I need to know why MySql does this. If any person knows how I an identify the problem, please let me know! I think this package helped another person out on this list a couple days ago: http://debaday.debian.net/2007/12/26/mytop-a-top-clone-

MySql at 100% CPU

2008-01-17 Thread Ben Clewett
Dear MySql, I hope you can help me trace a problem. Every few days one of my 5.0.45 will stick at 100% CPU whilst not doing very much. The server is a replication master and slave, but idle at this time. I am running 100% InnoDB and there is nothing in the error log. It will stay that way