Thanks for the response: > how large is your database? about 33GB, and growing
> how large is innodb_ubber? from my.cnf: # You can set .._buffer_pool_size up to 50 - 80 % # of RAM but beware of setting memory usage too high innodb_buffer_pool_size=2048M innodb_additional_mem_pool_size = 20M > how large is the table? about 60MB, 95K rows > for innodb innodb_buffer should be a large as the whole databases > not only the one, all of them, dumb but fact Yeah, to do that we'll have to throw a lot more memory in the machine. Thanks for the info. On 7/2/13 3:50 PM, Reindl Harald wrote:
Am 02.07.2013 23:28, schrieb Andy Wallace:mysql> update agent set number_of_emails = 5 where acnt = 'AR287416'; Query OK, 1 row affected (36.35 sec) Rows matched: 1 Changed: 1 Warnings: 0 36 seconds to update one table? The primary key is `acnt`. If I run the same (basic) command again a few seconds later, I get: mysql> update agent set number_of_emails = 15 where acnt = 'AR287416'; Query OK, 1 row affected (0.00 sec) Rows matched: 1 Changed: 1 Warnings: 0 Why would we be getting such huge variations? We're running Solaris 10 on i386, with 4 processors and 16GB of memory, MySQL 5.1.46-log. We are working out a plan to upgrade to MySQL 5.6, but I certainly don't want to depend on that upgrade to solve all performance problemshow large is your database? how large is innodb_ubber? how large is the table? for innodb innodb_buffer should be a large as the whole databases not only the one, all of them, dumb but fact
-- Andy Wallace iHOUSEweb, Inc. awall...@ihouseweb.com (866) 645-7700 ext 219 -- "Sometimes it pays to stay in bed on Monday, rather than spending the rest of the week debugging Monday's code." - Christopher Thompson -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
