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Nginx php-fpm 502 errors
root@host:/# tail /var/log/php5-fpm.log
[04-Nov-2012 22:31:14] NOTICE: fpm is running, pid 2368
[04-Nov-2012 22:31:14] NOTICE: ready to handle connections
[04-Nov-2012 22:31:18] WARNING: [pool www] seems busy (you may need to increase start_servers, or min/max_spare_servers), spawning 8 children, there are 0 idle, and 11 total children
[04-Nov-2012 22:31:19] WARNING: [pool www] seems busy (you may need to increase start_servers, or min/max_spare_servers), spawning 16 children, there are 0 idle, and 14 total children
and
root@host:/# tail /var/log/nginx/error.log
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
2012/11/04 20:13:35 [alert] 1080#0: accept4() failed (24: Too many open files)
anybody got a quick idea why i am only getting 502 bad gateways from nginx?
clearly it cant reach php-fpm
kinda desperate so sorry for the messy post
Comments
i.e: ulimit -n 9999
But definitely weird, since that would mean that there are more than 1000 concurrent connections on nginx
Pretty simple solution by just increasing the count of php-fpm childrens
By the way: I'm going to bed at 23:00, so if you need some urgent help, try to reach me on IRC
Your Linux ulimits are set too low. You'll need to adjust worker_rlimit_nofile, the nginx directive, too.
Here's a nice tutorial explaining it all to you: http://www.cyberciti.biz/faq/linux-unix-nginx-too-many-open-files/
permissions i think,
@tinyray Nope, what Amfy and I said
That said, I can't help but wonder /something/ about your post...
Thanks, havent done it yet as that error only occurred at 20:13:35 yesterday and went away after that.
I did increase that setting, thanks, stupid from me not to think of that.
I went to sleep after increasing too, will you be on IRC end of the day (after work/school) ?
Thanks for the link and explanation, much appreciated.