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I have the follow unresolved problem regarding PHP and Apache. I have a long running script that ALWAYS return 504 Gateway Timeout after 30 seconds running. However, if I check in /server-process, I can see that the request is still going on. Before being suggested, I'm not expecting it to be a cron job as this long process should finish just under a minute and for current situation, I needed it to run inside browser. Here's what I've set the server:

/etc/apache2/apache2.conf
- Timeout 600

/etc/php/7.0/apache2/php.ini
- max_execution_time = 300
- max_input_time = 300

Here's my server info:

root@izzystorage-core:~# lsb_release -r
Release:        16.04

root@izzystorage-core:~# apache2 -v
Server version: Apache/2.4.18 (Ubuntu)
Server built:   2017-09-18T15:09:02

root@izzystorage-core:~# php -v
PHP 7.0.22-0ubuntu0.16.04.1 (cli) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies
    with Zend OPcache v7.0.22-0ubuntu0.16.04.1, Copyright (c) 1999-2017, by Zend Technologies

Do you guys have any Idea what's going on with my server?

edit

  1. I don't have mod_proxy
  2. This is only one server without load balancer in between
ariefbayu
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2 Answers2

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I have a Mysql query running in a PHP script that scans a lot of data and responds in 2 minutes. I was always getting 504 gateway timeout after 30 sec. After trying all usual advice, I ended up understanding that the issue was lying on the Open Shift route that I use to access the PHP script. The Open Shift default route Time out is 30 seconds. I changed the route annotation to 5 min and it did the trick ! See here for details: https://stackoverflow.com/questions/47812807/openshift-service-proxy-timeout

06pb06
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After several hours adjusting Timeout, max_execution_time and max_input_time parameters and multiple service apache2 restart without result, I put back the original parameters (600, 300, 300) and restart the whole server with shutdown -r now. Upon server back online, all problem suddenly resolved.

ariefbayu
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