The perils of shared hosting
By Greg | 2007.06.24
This is what a shared hosting server looks like just before it runs out of memory (both physical and swap). My shell is hung. The sites are down.
top - 06:13:44 up 28 days, 2:47, 1 user, load average: 83.66, 37.25, 16.93 Tasks: 343 total, 1 running, 341 sleeping, 1 stopped, 0 zombie Cpu(s): 3.9% us, 13.5% sy, 0.0% ni, 0.0% id, 82.3% wa, 0.0% hi, 0.3% si Mem: 2058360k total, 2044548k used, 13812k free, 2000k buffers Swap: 2048276k total, 2048276k used, 0k free, 36644k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 31462 nobody 15 0 303m 39m 2696 S 5 2.0 0:00.92 httpd 64 root 15 0 0 0 0 D 2 0.0 19:49.36 kswapd0 31581 nobody 17 0 200m 12m 2928 D 2 0.6 0:00.11 httpd 31341 nobody 16 0 258m 29m 2864 S 2 1.5 0:00.65 httpd 31347 nobody 17 0 200m 14m 4136 D 1 0.7 0:00.06 httpd 31356 nobody 15 0 239m 28m 3028 D 1 1.4 0:00.98 httpd
And I can't poke it. Damn shared hosting.
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