Re: Innodb buffer pool usage

2010-03-16 Thread Carlos Proal
Hi Machiel, What do you mean with innodb buffer pool is at 100% full ? There are several status variables associated with innodb buffer pool ie: Innodb_buffer_pool_pages_free is the number of unused data pages. Innodb_buffer_pool_pages_total is the total number of pages.

RE: Innodb buffer pool usage

2010-03-16 Thread machiel.richards
2010 9:31 AM To: mysql@lists.mysql.com Subject: Re: Innodb buffer pool usage Hi Machiel, What do you mean with innodb buffer pool is at 100% full ? There are several status variables associated with innodb buffer pool ie: Innodb_buffer_pool_pages_free is the number of unused data pages

RE: Innodb buffer pool usage

2010-03-16 Thread machiel.richards
@lists.mysql.com Subject: Re: Innodb buffer pool usage Hi Machiel, What do you mean with innodb buffer pool is at 100% full ? There are several status variables associated with innodb buffer pool ie: Innodb_buffer_pool_pages_free is the number of unused data pages. Innodb_buffer_pool_pages_total

Re: Innodb buffer pool usage

2010-03-16 Thread John Daisley
There will be an increase in IO and a noticeable decrease in performance if the buffer pool is too small. Give it all the memory which is not needed elsewhere. If you can set it a little larger than the size of all your innodb tablespaces that would be good. Oracle is a very different animal to