kill -HUP failing (0.6.32)

[Kenneth Demanawa]

(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

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/
>
>