MySql crashes - PHP using most RAM

A Cpanel account consumes most RAM via PHP top: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 13420 user 20 0 113m 25m 6624 S 0.0 2.5 0:00.44 php 13692 user 20 0 113m 25m 6632 S 23.1 2.5 0:00.51 php 13413 user 20 0 113m 25m 6628 S 0.0 2.5 0:00.36 php 13416 user 20 0 113m 25m 6628 S 0.0 2.5 0:00.39 php 13514 20 0 113m 25m 6628 S 0.0 2.5 0:00.40 php 13516 20 0 113m 25m 6628 S 0.0 2.5 0:00.31 php 13656 20 0 113m 25m 6632 S 8.0 2.5 0:00.46 php 13677 20 0 113m 25m 6632 S 10.7 2.5 0:00.41 php 13407 20 0 113m 25m 6628 S 0.0 2.5 0:00.32 php 13411 20 0 113m 25m 6628 S 0.0 2.5 0:00.34 php 13415 20 0 113m 25m 6628 S 0.0 2.5 0:00.40 php 13498 20 0 113m 25m 6628 S 0.0 2.5 0:00.29 php 13666 20 0 113m 25m 6632 S 4.8 2.5 0:00.36 php 13404 20 0 113m 25m 6628 S 0.0 2.5 0:00.31 php 13409 20 0 113m 25m 6628 S 0.0 2.5 0:00.33 php 13669 20 0 111m 25m 6380 S 10.2 2.5 0:00.53 php 13701 20 0 109m 22m 5976 S 26.3 2.2 0:00.49 php 13710 20 0 109m 22m 5960 S 18.8 2.2 0:00.35 php 13691 20 0 108m 22m 6308 R 22.0 2.2 0:00.52 php free -m total used free shared buffers cached Mem: 1024 1001 22 0 0 5 Database seems to crash everytime I try to start it Please help....