----- Oryginalna wiadomość -----
> Od: "Roberto De Ioris" <[email protected]>
> Do: "uWSGI developers and users list" <[email protected]>
> Wysłane: czwartek, 3 marzec 2011 12:07:58
> Temat: Re: [uWSGI] uWSGI 0.9.7-beta1 - emperor
> 
> Emperor does not find the uwsgi binary (it chdir to /home/test after
> startup).
> 
> If you do not have uwsgi in system path you can specify it with
> --binary-path
> 
> ./uwsgi --emperor /home/test --binary-path /opt/uwsgi/uwsgi
> 
> I would like to add a way to specify a different uwsgi binary for
> every vassal app
> 

:]

after starting Emperor mode, I found the problem:
- I start uWSGI with one vassal
- invokes a request
- send kill HUP to vassal master pid
- got:

*** Starting uWSGI 0.9.7-dev (32bit) on [Thu Mar  3 12:19:22 2011] ***
compiled with version: 4.4.5
uWSGI running as root, you can use --uid/--gid/--chroot options
 *** WARNING: you are running uWSGI as root !!! (use the --uid flag) *** 
 *** WARNING: you are running uWSGI without its master process manager ***
your memory page size is 4096 bytes
*** starting uWSGI Emperor ***
c_ui->ui_next = 0x9d73050
Python version: 3.1.2 (release31-maint, Sep 17 2010, 20:54:03)  [GCC 4.4.5]
*** has_emperor mode detected (fd: 6) ***
[uWSGI] getting INI configuration from cos.ini
2011-03-03 12:19:22 - *** Starting uWSGI 0.9.7-dev (32bit) on [Thu Mar  3 
12:19:22 2011] ***
2011-03-03 12:19:22 - compiled with version: 4.4.5
2011-03-03 12:19:22 - uWSGI running as root, you can use --uid/--gid/--chroot 
options
2011-03-03 12:19:22 - setgid() to 33
2011-03-03 12:19:22 - setuid() to 33
2011-03-03 12:19:22 - your memory page size is 4096 bytes
2011-03-03 12:19:22 -  *** WARNING: you have enabled harakiri without post 
buffering. Slow upload could be rejected on post-unbuffered webservers *** 
2011-03-03 12:19:22 - uwsgi socket 0 bound to UNIX address /tmp/uwsgi/t3.sock 
fd 3
2011-03-03 12:19:22 - Python version: 3.1.2 (release31-maint, Sep 17 2010, 
20:54:03)  [GCC 4.4.5]
Python main interpreter initialized at 0x9d6c9a0
The -s/--socket option is missing and stdin is not a socket.
2011-03-03 12:19:22 - Python main interpreter initialized at 0x99c98d8
2011-03-03 12:19:22 - your server socket listen backlog is limited to 100 
connections
2011-03-03 12:19:22 - *** Operational MODE: preforking ***
2011-03-03 12:19:22 - WSGI application 0 (SCRIPT_NAME=) ready on interpreter 
0x99c98d8 (default app)
2011-03-03 12:19:22 - gracefully (RE)spawned uWSGI master process (pid: 5623)
2011-03-03 12:19:22 - spawned uWSGI worker 1 (pid: 5624, cores: 1)
2011-03-03 12:19:22 - spawned uWSGI worker 2 (pid: 5625, cores: 1)
2011-03-03 12:19:22 - spawned uWSGI worker 3 (pid: 5626, cores: 1)
2011-03-03 12:23:16 - ...gracefully killing workers...
2011-03-03 12:23:16 - Gracefully killing worker 2 (pid: 5625)...
2011-03-03 12:23:16 - Gracefully killing worker 1 (pid: 5624)...
2011-03-03 12:23:16 - Gracefully killing worker 3 (pid: 5626)...
2011-03-03 12:23:17 - binary reloading uWSGI...
2011-03-03 12:23:17 - closing all non-uwsgi socket fds > 2 (_SC_OPEN_MAX = 
1024)...
2011-03-03 12:23:17 - found fd 3
2011-03-03 12:23:17 - running /home/ddarko/Pulpit/uwsgi/uwsgi
*** has_emperor mode detected (fd: 6) ***
[uWSGI] getting INI configuration from cos.ini
2011-03-03 12:23:17 - *** Starting uWSGI 0.9.7-dev (32bit) on [Thu Mar  3 
12:23:17 2011] ***
2011-03-03 12:23:17 - compiled with version: 4.4.5
2011-03-03 12:23:17 - your memory page size is 4096 bytes
2011-03-03 12:23:17 -  *** WARNING: you have enabled harakiri without post 
buffering. Slow upload could be rejected on post-unbuffered webservers *** 
2011-03-03 12:23:17 - uwsgi socket 0 inherited UNIX address /tmp/uwsgi/t3.sock 
fd 3
2011-03-03 12:23:17 - uwsgi socket 0 inherited UNIX address /tmp/uwsgi/t3.sock 
fd 6
2011-03-03 12:23:17 - Python version: 3.1.2 (release31-maint, Sep 17 2010, 
20:54:03)  [GCC 4.4.5]
2011-03-03 12:23:17 - Python main interpreter initialized at 0x86f9c08
2011-03-03 12:23:17 - your server socket listen backlog is limited to 100 
connections
2011-03-03 12:23:17 - *** Operational MODE: preforking ***
2011-03-03 12:23:17 - WSGI application 0 (SCRIPT_NAME=) ready on interpreter 
0x86f9c08 (default app)
2011-03-03 12:23:17 - gracefully (RE)spawned uWSGI master process (pid: 5623)
2011-03-03 12:23:17 - spawned uWSGI worker 1 (pid: 5657, cores: 1)
2011-03-03 12:23:17 - spawned uWSGI worker 2 (pid: 5658, cores: 1)
2011-03-03 12:23:17 - spawned uWSGI worker 3 (pid: 5659, cores: 1)

this is odd:
2011-03-03 12:23:17 - uwsgi socket 0 inherited UNIX address /tmp/uwsgi/t3.sock 
fd 3
2011-03-03 12:23:17 - uwsgi socket 0 inherited UNIX address /tmp/uwsgi/t3.sock 
fd 6

- invokes a request
- and receives: 502 Bad Gateway

after the next reboot begins to operate, and so every second reboot working.

-- 
Łukasz Wróblewski
http://www.nri.pl/ - Nowoczesne Rozwiązania Internetowe
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