kill -HUP failing (0.6.32)

[Igor Sysoev]

On Fri, Oct 10, 2008 at 10:47:03PM +0800, Kenneth Demanawa wrote:

> (Responding in behalf of Guy. :) )
> 
> Hi Igor.
> 
> "nginx -t" shows:
> 
> 2008/10/10 14:43:32 [info] 23171#0: the configuration file
> ./nginx.conf syntax is ok
> 2008/10/10 14:43:32 [info] 23171#0: the configuration file
> ./nginx.conf was tested successfully

What is in error_log after -HUP ?

> Kenneth
> 
> On Fri, Oct 10, 2008 at 8:58 PM, Igor Sysoev <is at rambler-co.ru> wrote:
> > On Fri, Oct 10, 2008 at 05:48:42AM -0700, Guy Naor wrote:
> >
> >> I have an nginx setup as a reverse proxy into a large number of Rails and
> >> Java applications. As it's a very dynamic system, nginx incudes a whole
> >> directory of conf files, one for each application.
> >>
> >> nginx works really well, but now that we have about 320 different config
> >> files nginx stopped responding to kill -HUP for reloading the conf files. It
> >> just ignores the request and nothing happens. My test shows that at 247
> >> files it stop responding to HUP. Up to that number it's all ok and HUP works
> >> perfectly. The files are all pretty much the same, with this format:
> >>
> >>
> >> # Definition of the different compute instances we proxy into
> >> upstream redmine_nginx {
> >>   server 10.252.179.143:5150;
> >> }
> >>
> >> # vhost definition for this application
> >> server {
> >>   listen 80;
> >>   client_max_body_size 10M;
> >>   client_body_buffer_size 128k;
> >>   server_name redmine.morphexchange.com ; # Add the redirected domains here
> >> (like: www.gadgets.com that is redirected to gadgets.mex.com)
> >>   set $original_uri $uri;
> >>   access_log /mnt/nginx/logs/redmine/access.log main;
> >>   error_log  /mnt/nginx/logs/redmine/error.log warn;
> >>   location ~* ^.*/(themes|stylesheets|javascripts|images)(/.*$|$) {
> >>     proxy_pass        http://redmine_nginx;
> >>     proxy_set_header  X-Real-IP  $http_x_source_address;
> >>     proxy_set_header Host $host;
> >>   }
> >>   location / {
> >>     proxy_set_header  X-Real-IP  $http_x_source_address;
> >>     proxy_intercept_errors  on;
> >>     proxy_set_header Host $host;
> >>     error_page  400 401 403 404 414 500 501 502 503 504 505 506 507 508 509
> >> 510  =  @rails_redmine;
> >>     if ($request_method = POST ) {
> >>       proxy_pass        http://redmine_nginx;
> >>      break;
> >>     }
> >>     if ($is_args = "?" ) {
> >>       proxy_pass        http://redmine_nginx;
> >>      break;
> >>     }
> >>
> >>   }
> >>   location @rails_redmine {
> >>     rewrite (.*) $original_uri break;
> >>     proxy_pass        http://redmine_nginx;
> >>     proxy_set_header  X-Real-IP  $http_x_source_address;
> >>     proxy_set_header Host $host;
> >>    }
> >> }
> >>
> >> I also tried to increase the server hash size and bucket size but it didn't
> >> help.
> >>
> >> Looking at the code, there are a lot of conditions that might result in HUP
> >> failing, but those are not logged. Any idea what might be causing this? The
> >> same config with less files has no problem with the HUP signal.
> >
> > What does "nginx -t" show ?
> >
> >
> > --
> > Igor Sysoev
> > http://sysoev.ru/en/
> >
> >

-- 
Igor Sysoev
http://sysoev.ru/en/