8 messages in ru.sysoev.nginxHigh CPU when upstream server down| From | Sent On | Attachments |
|---|---|---|
| adamn | Mar 8, 2011 12:10 pm | |
| Ryan Malayter | Mar 8, 2011 12:17 pm | |
| adamn | Mar 8, 2011 12:34 pm | |
| Ryan Malayter | Mar 8, 2011 1:43 pm | |
| adamn | Mar 8, 2011 2:02 pm | |
| adamn | Mar 8, 2011 4:32 pm | |
| Ryan Malayter | Mar 8, 2011 7:18 pm | |
| adamn | Mar 8, 2011 7:32 pm |
| Subject: | High CPU when upstream server down | |
|---|---|---|
| From: | adamn (ngin...@nginx.us) | |
| Date: | Mar 8, 2011 12:10:09 pm | |
| List: | ru.sysoev.nginx | |
Nginx goes to nearly 100% CPU when I take down my upstream servers (gunicorn). Has anybody heard of this as an issue?
$ nginx -v nginx version: nginx/0.7.67 $ uname -a Linux ip-10-242-226-66 2.6.35-27-virtual #48-Ubuntu SMP Tue Feb 22 23:09:12 UTC 2011 i686 GNU/Linux
Summary of top:
top - 20:10:17 up 1 day, 29 min, 4 users, load average: 1.11, 0.83, 0.56 Tasks: 79 total, 2 running, 77 sleeping, 0 stopped, 0 zombie Cpu(s): 6.4%us, 36.9%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 56.7%st Mem: 1705708k total, 442308k used, 1263400k free, 91240k buffers Swap: 917500k total, 0k used, 917500k free, 249920k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
30663 www-data 20 0 5492 1944 916 R 99.9 0.1 5:26.32 nginx
1 root 20 0 2848 1652 1216 S 0.0 0.1 0:00.47 init
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:03.74 ksoftirqd/0
4 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
5 root RT 0 0 0 0 S 0.0 0.0 0:00.20 watchdog/0
6 root 20 0 0 0 0 S 0.0 0.0 0:01.91 events/0
7 root 20 0 0 0 0 S 0.0 0.0 0:00.00 cpuset
Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,181397,181397#msg-181397
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