2.6 Recommended Number of Devices

The following are the recommended requirements for a single Mobility server. For the minimum requirements, see Section 2.1, Mobility Server Requirements.

A single Mobility server can comfortably support approximately 750 users with up to 1000 devices. The following variables were taken into consideration for this configuration:

  • Server configuration

  • System configuration

  • Level of user activity, both in GroupWise and on their mobile devices

Server Configuration

  • Virtual machine

  • 2.8 GHz processor

  • 4 CPUs

  • 8 GB RAM

Mobility System Configuration

  • 750 users

  • 1000 devices

User/Device Traffic

  • Average of 181 GroupWise events per minute

    • Email send / read / move to folder / delete

    • Appointment send / accept / decline / delete

    • Folder create

  • Average of 474 events per user in a 24-hour period

  • Average of 165 device requests per minute

    • Email send / read

  • Average of 427 emails from devices in a 24-hour period

  • Average of 2479 KB per minute of attachment data transfer

    • 97% under 1 MB

    • 2% between 1 MB and 2 MB

    • 1% above 2 MB

NOTE:You can observe some of these statistics for your own Mobility system using the Dashboard in the Mobility Admin console. For more information, see Using the Mobility Dashboard in the GroupWise Mobility Service 2.1 Administration Guide.

Device Profile

  • 60% Apple devices

  • 37% Android devices

  • 10% Windows Mobile devices

  • 3% Other

Hardware Performance for Four Days

  • 24% average CPU usage

  • 17% average disk busy usage

  • 26% average memory usage, with 32% maximum and 24% minimum