I'm connecting to MongoLabs on port 27157

Is that it?


Francisco Costa
http://franciscocosta.com



On Tue, Oct 18, 2011 at 18:53, Francisco Costa <[email protected]>wrote:

> So I run this *ls -l /proc/2534/fd*
> total 0
> lr-x------ 1 www-data www-data 64 2011-10-18 18:47 0 -> /dev/null
> lrwx------ 1 www-data www-data 64 2011-10-18 18:47 1 -> /var/log/uwsgi.log
> lr-x------ 1 www-data www-data 64 2011-10-18 18:47 10 -> /dev/urandom
> lrwx------ 1 www-data www-data 64 2011-10-18 18:47 12 ->
> anon_inode:[eventpoll]
> lrwx------ 1 www-data www-data 64 2011-10-18 18:47 13 -> socket:[6071]
> lrwx------ 1 www-data www-data 64 2011-10-18 18:47 2 -> /var/log/uwsgi.log
> lrwx------ 1 www-data www-data 64 2011-10-18 18:47 3 -> /dev/null
> lrwx------ 1 www-data www-data 64 2011-10-18 18:47 4 -> socket:[7847]
> lrwx------ 1 www-data www-data 64 2011-10-18 18:47 5 ->
> anon_inode:[eventpoll]
> lrwx------ 1 www-data www-data 64 2011-10-18 18:47 6 -> socket:[7916]
> lrwx------ 1 www-data www-data 64 2011-10-18 18:48 7 -> socket:[9746]
> lrwx------ 1 www-data www-data 64 2011-10-18 18:48 8 -> socket:[9751]
> lrwx------ 1 www-data www-data 64 2011-10-18 18:48 9 -> socket:[9754]
>
>
> I then checked for socket number 9:  *lsof | grep 9754*
> uwsgi     2534 www-data    9u     IPv4               9754      0t0
> TCP 
> mercury.tymr.com:40323->ec2-50-19-86-168.compute-1.amazonaws.com:27157(ESTABLISHED)
>
>
> just before of having the following error:
>
> *** HARAKIRI ON WORKER 3 (pid: 2534) ***
> HARAKIRI: -- syscall> 45 0x9 0x17890fc 0x10 0x0 0x0 0x0 0x7fffff313a40
> 0x7f7b4bd2f4b2
> HARAKIRI: -- wchan> sk_wait_data
> HARAKIRI: --- uWSGI worker 3 (pid: 2534) WAS managing request
> /default/user/login?_next=%2Fplace%2Fcategory%2F1%2Friver since Tue Oct 18
> 18:47:59 2011 ---
> DAMN ! worker 3 (pid: 2534) died :( trying respawn ...
>
>
>
> I'm run in a Linode Ubuntu machine, but i don't know what happen at port
> 40323, or even if the error is port related..
>
> Francisco Costa
> http://franciscocosta.com
>
>
>
>
> On Tue, Oct 18, 2011 at 17:57, Roberto De Ioris <[email protected]> wrote:
>
>>
>> > Hi, i was unable to test sooner because the site went up when you
>> answer.
>> > Now that it went down I add --harakiri-verbose and i fot the following
>> >
>> > *** Starting uWSGI 0.9.9.2 (64bit) on [Tue Oct 18 17:46:42 2011] ***
>> > compiled with version: 4.5.2 on 27 September 2011 19:38:54
>> > detected binary path: /usr/local/bin/uwsgi
>> > your memory page size is 4096 bytes
>> >  *** WARNING: you have enabled harakiri without post buffering. Slow
>> > upload
>> > could be rejected on post-unbuffered webservers ***
>> > shared area mapped at 0x7f9670600000, you can access it with
>> > uwsgi.sharedarea* functions.
>> > uwsgi socket 0 bound to TCP address 127.0.0.1:9001 fd 4
>> > Python version: 2.7.1+ (r271:86832, Apr 11 2011, 18:37:12)  [GCC 4.5.2]
>> > Python main interpreter initialized at 0x24142d0
>> > your server socket listen backlog is limited to 100 connections
>> > *** Operational MODE: preforking ***
>> > added /opt/web2py/ to pythonpath.
>> > WSGI application 0 (mountpoint=) ready on interpreter 0x24142d0 pid:
>> 16069
>> > (default app)
>> > *** uWSGI is running in multiple interpreter mode ***
>> > spawned uWSGI master process (pid: 16069)
>> > spawned uWSGI worker 1 (pid: 16076, cores: 1)
>> > spawned uWSGI worker 2 (pid: 16077, cores: 1)
>> > spawned uWSGI worker 3 (pid: 16078, cores: 1)
>> > spawned uWSGI worker 4 (pid: 16079, cores: 1)
>> > *** HARAKIRI ON WORKER 2 (pid: 16077) ***
>> > HARAKIRI: -- syscall> 45 0xb 0x2ecd524 0x10 0x0 0x0 0x0 0x7fffb4588c20
>> > 0x7f9670202092
>> > HARAKIRI: -- wchan> sk_wait_data
>> > HARAKIRI: --- uWSGI worker 2 (pid: 16077) WAS managing request / since
>> Tue
>> > Oct 18 17:46:45 2011 ---
>> > DAMN ! worker 2 (pid: 16077) died :( trying respawn ...
>> > Respawned uWSGI worker 2 (new pid: 16080)
>> >
>> >
>>
>> You can interpret in this way:
>>
>> worker 2 blocked for more than 30 seconds waiting for network data
>> (sk_wait_data).
>>
>> syscall 45 on x86_64 is __NR_recvfrom, with its first argument (the file
>> descriptor/socket) being the 11 (0xb).
>>
>> So: the worker is waiting for data from socket 11, but those data did not
>> come.
>>
>> Who is socket 11 ? it could be a database connection (check your db logs)
>> or an external server connection. For sure it cannot be the uwsgi socket
>> (being it very low in number, normally the 3). You can get the list of
>> descriptors with
>>
>> ls -l /proc/<pid>/fd
>>
>> check for 11, you should get a number for the socket, then you can do
>>
>> lsof | grep <number>
>>
>> But i suppose you know to who your app connect to :)
>>
>>
>> --
>> Roberto De Ioris
>> http://unbit.it
>> _______________________________________________
>> uWSGI mailing list
>> [email protected]
>> http://lists.unbit.it/cgi-bin/mailman/listinfo/uwsgi
>>
>
>
_______________________________________________
uWSGI mailing list
[email protected]
http://lists.unbit.it/cgi-bin/mailman/listinfo/uwsgi

Reply via email to