Managing Acquia Cloud servers

Each Acquia Cloud environment runs on one or more server instances. The number and configuration of an environment's servers depends on the level of the Acquia subscription the environment is part of.

  • Acquia Cloud Enterprise - Environments run in a high-availability architecture, with two or more load balancers, web server nodes, and database server nodes for the Production environment.
  • Acquia Cloud Professional - All environments run on a single server, which may be dedicated to one subscription, or may be shared with other subscriptions.
  • Acquia Cloud Free - All environments run on a single server, which is shared with other Acquia Cloud Free applications.

You can view information about your Acquia Cloud server on the Applications > [Environment] > Servers page. For Acquia Cloud Professional, you can also use this page to reboot, relaunch, resize, or suspend the server. For information about configuring the environments that run on the Acquia Cloud servers, see Configuring an environment.

Viewing server information

The Servers page displays the following information about your servers:

  • name
  • size (ECU and RAM)
  • location (AWS region)
  • SSH address
  • IP address
  • database function (primary or secondary)
  • web function (active or passive)
  • Memcached memory allocation

Server data

If you have many servers, you may want to limit the ones that are displayed. You can uncheck Web, Database, or Balancer to hide servers with those functions.

Manage SSH credentials

To connect to a server with SSH, you need to register an SSH public key with your Acquia profile and have the necessary permissions. Click Manage SSH credentials to open the Credentials section of your Acquia profile, and then add an SSH key.

Server graphs

Server graphs iconAcquia Cloud Professional customers can view their server's graphs by clicking the Server graphs action icon. The server graphs include minimum, maximum, and average values for server attributes, and graphs of usage over time. You can also limit the amount of displayed information by using the time and date selectors to select the timeframe in which you are interested.

Server size

The server size is the processing capacity (measured in ECU) and total memory (in GB).

Location

The server location is the AWS availability zone in which the server is located. This is set when you create your Acquia subscription.

Reboot, relaunch, resize, or suspend your server

On the Servers page, you can reboot, relaunch, resize, or suspend your server. This feature is available only to Acquia Cloud Professional customers. Acquia manages any needed reboots or relaunches for Acquia Cloud Enterprise applications, while Acquia Cloud Free applications use shared servers that customers may not reboot, relaunch, or suspend.

Reboot, relaunch, resize, or suspend a server

Reboot

To reboot your server:

  1. On the Servers page, click Reboot.
  2. In the confirmation dialog, enter your Acquia password.
  3. Click Reboot server.

When you reboot your server, all applications on the server will be unavailable for about 5 minutes while the server reboots.

Relaunch

To relaunch your server:

  1. On the Servers page, click Relaunch.
  2. In the confirmation dialog, enter your Acquia password, and then click Relaunch server.

When you relaunch your server, all applications on the server will be unavailable for 10 to 30 minutes while a new server is provisioned. You should not relaunch your server unless you have been instructed to by Acquia.

Resize

To resize your server:

  1. On the Servers page, click Resize.
  2. On the Resize server page, drag the slider to select the new size for your server. As you move the slider, the Price change field displays the increase or decrease in the monthly cost for the server.

    Resizing a server

  3. Click Resize.

When you resize your server, all applications on the server will be unavailable for 10 to 30 minutes while a new server is provisioned.

Suspend

To suspend your server:

  1. On the Servers page, click the Suspend server link.
  2. In the confirmation dialog, enter your Acquia password, and then click the Suspend server button.

All applications on your server will be unavailable until you relaunch the server.

Memcached memory allocation

Memcached memory can be allocated and customized on a per-server basis. This setting affects all environments on that server.

cloud-memcache-allocation.png

To view or change the allocated memory:

  1. Click the Configure link next to the server.
  2. Change the Memcached memory (MB) value.
  3. Click Save.

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