Re: Mysql High load CPU

2009-04-01 Thread Claudio Nanni
Tadeu Alves wrote: Thanks for this heads up i was thinking into some of these i was looking into the page that has the calculation of each looking into mysqlperformance blog it's a good idea of add more memory into this variables? query_cache_size= 1000M to 2000M and innodb_buffer_pool_siz

Re: Mysql High load CPU

2009-03-31 Thread Claudio Nanni
Hi, probably your system is swapping on disk, immediately reduce the sort_buffer_size, it is a per connection buffer, and your setting is way too high: sort_buffer_size=1000M (with 8 client threads you finish your ram) set it to something between 256K and 8 M sort_buffer_size=1M also read_rn

Mysql High load CPU

2009-03-31 Thread Tadeu Alves
Helo there guys today ive got a brig problem my server that runs only Mysql is undegoind a very load, the server is ok but memory and cpu usage are very high mys server configuration is a 2x Quad Core Intel® Xeon® E5450, 2x6MB Cache, 3.0GHz, 1333MHz FSB 8GB 800MHz Memory 2x SAS 73GB 15000RPM in RA