Plesk 12 Debian 7 MySQL : CPU usage is too high -


i have problem mysql , mysql cpu usage @ plesk. have news site joomla, , 100-150 online user.

cpu: amd opteron(tm) processor 6366 3 core memory: 4gb hdd: 250 gb plesk 12 licence debian 7

my site slow, opens 10-12 sec. pages, see mysql cpu usage 85.2%, when there 148 user online @ same time...

can me mysql settings? wouldn't believe server weak 1000 online users....

here mysql config: my.cnf

what can setup working?


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