Acquia Cloud technology platform and supported software

Acquia Cloud is designed as an optimized Drupal hosting platform. Acquia Cloud only runs Drupal and the software needed to run, support, and improve Drupal performance. This page lists the software versions running by default on the Acquia Cloud platform.

Acquia Cloud technology

Acquia Cloud runs on the following technology stack:

Component Version
Web server OS Ubuntu 12.04 LTS
Web server Apache 2.2.22
Database Percona Server 5.5
(MySQL 5.5)
PHP PHP 5.6.19
Caching proxy and
load balancer
Varnish 3, nginx
Memory cache memcached 1.4.13*

  * — Memcached is not available on Acquia Cloud Free

Supported software and features

Acquia Cloud supports:

  • Your Drupal 8, Drupal 7, or Drupal 6 code
  • Drush 4 and greater
  • Integrated version management (Git or SVN)
  • SSL Certificates (additional fee required)
  • Automated disaster recovery backup
  • Custom cron jobs
  • Shell access using SSH
  • File access using sftp and rsync
  • MySQL administration using the MySQL CLI or other tools
  • The current and prior major release of the Chrome, Firefox, Internet Explorer, and Safari web browsers

In addition, Acquia Cloud Enterprise supports the following Enterprise features:

  • High-availability failover using multiple Amazon Web Services data centers (Availability Zones)
  • Outgoing VPN access (Cisco VPN compatible - additional fee required)
  • Shared authentication or single sign-on using LDAP or SAML (contact your Sales Engineer for cost and compatibility information)
  • Multi-region replication (additional fee required)

All Acquia subscribers receive:

  • Acquia Search - Easily add scalable search to your website
  • Insight - Information about your Drupal website's optimization and security
  • Mollom - Spam blocking

See the complete list of Acquia subscription add-on services.

Included software

Your Acquia Cloud server includes the following (non-complete) list of software packages:

  • Common PEAR and PECL libraries
  • Common PHP modules (including PDO, FreeTDS, OpenSSL, json, curl, and xml). For detailed information, go to your Drupal website's PHP information page at /admin/reports/status/php
  • ffmpeg (video transcoding)
  • Ghostscript
  • OpenSSL
  • Drush (versions 3, 4, 5, 6, 7, and 8. The default version is Drush 8.)
  • Common Linux command-line utilities
  • Networking tools (including curl, wget, and traceroute)
  • Performance analysis tools (including ps, top, and strace)
  • Development tools (vim and emacs)
  • Languages (gcc, perl, php, python, and ruby)

Unsupported software

Acquia Cloud does not support the following software:

  • Moodle (not compatible with high availability)
  • piwik (we have repeatedly seen this cause performance issues)
  • Any non-Drupal Content Management System (CMS)
  • CA Single Sign-on (formerly CA SiteMInder)

The following software cannot be installed on Acquia Cloud:

  • Non-standard database software, such as Oracle or Microsoft SQL Server
  • Custom daemons or services, such as Jabber, node.js, or Microsoft Exchange
  • Custom package installations that require apt-get

You can still install custom executables using your code repository.

Some Drupal contributed modules are incompatible with Acquia Cloud, or may require special configuration or care. For more information, see Module incompatibilities with Acquia Cloud.

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