server hang due to mysql command

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http://forums.cpanel.net – My server hangs everyday So i checked system health - process manager in whm there was a command given below /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --log-error=/var/lib/mysql/server.mydomain.com.err --pid-file=/var/lib/mysql/server.mydomain.com.pid --socket=/var/lib/mysql/mysql.sock --port=3306 see this image here this mysql command process is taking 33% when there are only 5-6 online users. but sometimes it goes very high and server hangs. please tell me a solution . Attached Thumbnails   (HowTos)