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Gateway Timeout error on back-office pages


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I have recently change my web hosting. When I am accessing my back-office pages , I am getting gateway timeout error sometimes.

Web hosting support ready to help to fix the issue but no idea how to reproduce the issue as it comes randomly or sometimes.

I see below error message

Gateway Timeout
The gateway did not receive a timely response from the upstream server or application.

Any idea?


Screenshot from 2018-07-07 18-51-10.png

Screenshot from 2018-07-07 19-00-15.png

Edited by zohaib82 (see edit history)
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You use PHP-FPM

Some programmers in PHP, and I assume they work also for prestashop, do think php scripts should run for ages and should not be profiled.
Profiling and testing their code is seen as *optional* as seen recently in the latest upgrade of their version.

A work-around is to increase the execution time of your scripts.
Especially when users do use PHP-FPM

Try to define in your php-fpm.conf or the fpm related to your site

php_admin_value[max_input_time]             = 14400
php_admin_value[max_execution_time]     = 14400

and possibly in Your apache config:

        KeepAlive       On
        Timeout         14400
        ProxyTimeout    14400

I used to define two PHP-FPM, one for the front-end with strict low execution time and one, well, for the backend with high values, like this (apache, using IP)

       <Directory "/var/www/vhost/shopfr/public_html/adminXXXX/">
                 <FilesMatch "\.php$">
                        <If "-f %{REQUEST_FILENAME}">
                                SetHandler "proxy:fcgi://app-server:9001"
        <Directory "/var/www/vhost/shopfr/public_html/">
                <FilesMatch "\.php$">
                        <If "-f %{REQUEST_FILENAME}">
                                SetHandler "proxy:fcgi://app-server:9000"

Seems currently you have no other option, until they do realize they need to be more carefull with timeouts.

Edited by amtriorix (see edit history)
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