I get this:
# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
simfs 5518274 42517 5475757 1% /
This is really weird. If i send 30 concurrent connections my VPS is locked up while the HN is handling more than 500 requests/second current.
ab -n 20000 -c 30 http://myurl.com
Top:
top - 04:48:25 up 1:52, 0 users, load average: 84.37, 20.80, 6.94
Tasks: 254 total, 207 running, 47 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.9%us, 0.4%sy, 0.0%ni, 98.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 2049136k total, 594000k used, 1455136k free, 0k buffers
Swap: 0k total, 0k used, 0k free, 0k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
545 apache 20 0 248m 9796 4744 R 3.9 0.5 0:01.74 httpd
555 apache 20 0 248m 9832 4676 R 3.9 0.5 0:02.42 httpd
738 apache 20 0 248m 9748 4712 R 3.9 0.5 0:01.76 httpd
1352 apache 20 0 248m 9684 4700 R 3.9 0.5 0:01.44 httpd
3844 apache 20 0 248m 9080 4332 R 3.9 0.4 0:00.42 httpd
3847 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.40 httpd
3850 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.38 httpd
3851 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.42 httpd
3853 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.38 httpd
3862 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.38 httpd
3863 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.36 httpd
3871 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.34 httpd
3887 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.36 httpd
3889 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.36 httpd
3890 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.38 httpd
3891 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.34 httpd
3896 apache 20 0 248m 8444 3784 R 3.9 0.4 0:00.32 httpd
3897 apache 20 0 248m 8444 3784 R 3.9 0.4 0:00.32 httpd
3905 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.32 httpd
3911 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.30 httpd
3915 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.30 httpd
3928 apache 20 0 248m 8944 4248 R 3.9 0.4 0:00.34 httpd
3933 apache 20 0 248m 8444 3784 R 3.9 0.4 0:00.32 httpd
3939 apache 20 0 248m 8444 3784 R 3.9 0.4 0:00.28 httpd
3940 apache 20 0 248m 8444 3784 R 3.9 0.4 0:00.30 httpd
3942 apache 20 0 248m 8444 3784 R 3.9 0.4 0:00.30 httpd
3945 apache 20 0 248m 8444 3784 R 3.9 0.4 0:00.28 httpd
3951 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.26 httpd
3953 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.26 httpd
3955 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.26 httpd
3957 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.28 httpd
3961 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.28 httpd
3967 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.26 httpd
3968 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.26 httpd
3981 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.26 httpd
3983 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.24 httpd
3984 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.24 httpd
3985 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.24 httpd
3999 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.22 httpd
4005 apache 20 0 248m 5564 1428 R 3.9 0.3 0:00.22 httpd
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