I wonder on my staging server, whenever I run ps aux, it'll stuck. It outputs a list of process and stop responding. I checked there is enough RAM (1GB).
When I run the top command, it looks ok to me, but I wonder there is one zombie process. What's that? Anyone can explain?
top - 11:00:29 up 3:53, 2 users, load average: 51.75, 50.52, 45.38 Tasks: 79 total, 1 running, 77 sleeping, 0 stopped, 1 zombie Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 1747660k total, 603572k used, 1144088k free, 12644k buffers Swap: 917496k total, 0k used, 917496k free, 97732k cached