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From Prajilal KP <prajilal...@gmail.com>
Subject [users@httpd] 503 Server Unavailable error
Date Tue, 14 Jul 2015 12:26:50 GMT
Trying to set-up 8 websites across 8 application servers and 3 DB servers
in IBM SoftLayer.

We are now facing time-out issue with all the HTTP requests which takes
more than 60seconds to execute and resulted the following error

========================
Service Unavailable
The server is temporarily unable to service your request due to maintenance
downtime or capacity problems. Please try again later.
========================


We have tried increasing the time-out to 300seconds, but it didn't help us
to resolve the issue.


httpd.conf
-------------

(PHP 5.5 websites configuration)

 <VirtualHost  {{ apache_listen_address }}:80>
DocumentRoot /NFS/content/{{ ENV }}/WEBSITE1
  ProxyPassMatch ^/(.*\.php(/.*)?)$ fcgi://127.0.0.1:9001/NFS/content/{{
ENV }}/WEBSITE1/$1 timeout=300
ServerName {{ WEBSITE1 }}
<Directory /NFS/content/{{ ENV }}/WEBSITE1>
</VirtualHost>

 <VirtualHost  {{ apache_listen_address }}:443>
DocumentRoot /NFS/content/{{ ENV }}/WEBSITE1
  ProxyPassMatch ^/(.*\.php(/.*)?)$ fcgi://127.0.0.1:9001/NFS/content/{{
ENV }}/WEBSITE1/$1 timeout=300
ServerName {{ WEBSITE1 }}
<Directory /NFS/content/{{ ENV }}/WEBSITE1>
</VirtualHost>

(PHP 5.3 websites configuration)
 <VirtualHost  {{ apache_listen_address }}:80>
DocumentRoot /NFS/content/{{ ENV }}/WEBSITE2
  ProxyPassMatch ^/(.*\.php(/.*)?)$ fcgi://127.0.0.1:9000/NFS/content/{{
ENV }}/WEBSITE2/$1 timeout=300
ServerName {{ WEBSITE2 }}
<Directory /NFS/content/{{ ENV }}/WEBSITE2>
</VirtualHost>

 <VirtualHost  {{ apache_listen_address }}:443>
DocumentRoot /NFS/content/{{ ENV }}/WEBSITE2
  ProxyPassMatch ^/(.*\.php(/.*)?)$ fcgi://127.0.0.1:9000/NFS/content/{{
ENV }}/WEBSITE2/$1 timeout=300
ServerName {{ WEBSITE2 }}
<Directory /NFS/content/{{ ENV }}/WEBSITE2>
</VirtualHost>

Could anyone please help me?

Application Server Configuration
--------------------------------
Apache 2.4.12
PHP 5.3 & PHP 5.5
MySQL Client
HA Proxy
Drupal 6, Drupal 7
Perl, OpenAM, SOLR

100GB HDD, 8G RAM, 8G SWAP
1.5T NFS to store the application data


DB Server Configuration
---------------------------------
MySQL Server
100GB HDD, 24G RAM, 8G SWAP

Regards,
Lal

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