Re: Questions regarding Query cache usage

2010-06-09 Thread Kyong Kim
Absolutely. You don't want to obscure the cause by just throwing more hardware at things. That approach just buys you time until a bigger pile hits the fan if the underlying issue remains unresolved. At the same time, though, 8 MB production innodb buffer pool allocation should be fairly high on th

Re: Questions regarding Query cache usage

2010-06-09 Thread Johan De Meersman
On Wed, Jun 9, 2010 at 8:04 PM, Kyong Kim wrote: > If the memory is available, why not use it? It seems like the default > buffer pool size out of the box was just never changed. Agreed, of course, but if something happens on a system that is out of the ordinary, it's very good practice to hunt t

Re: Questions regarding Query cache usage

2010-06-09 Thread Kyong Kim
On Tue, Jun 8, 2010 at 10:57 PM, Machiel Richards wrote: > Good morning all > > > >        I would like to try and find out how you can see what is using the > query cache. > > > >                My reason for asking is the following: > > > >                On one of our client databases, the quer

Questions regarding Query cache usage

2010-06-08 Thread Machiel Richards
Good morning all I would like to try and find out how you can see what is using the query cache. My reason for asking is the following: On one of our client databases, the query cache is set to 128Mb and the usage always varied between 5% and 53%