Application Server Requirements

Doppler -onPrem© is offered as VMware image for On Premises installation. You need to have a VMWare environment available before you download the OVF image.

The installation consist of two servers:

  • Application Server: Nettec will provide one VMWare OVF image for Doppler onPrem Application Server.
  • Database Server: The customer must set up a Storage Server. We reccomend using a MariaDB Server. For instructions on how to set up MariaDB please see Installation of External MariaDB server and MariaDB.org.

Application Server, Recommended minimum specifications:

VMware ESXi

CPU:

            Minimum 4 cores allocated to VM.

Memory:

            Minimum 16 GB, 24GB recommended

Disc:

System Installation: 20GB minimum

Access, open ports:

            TCP/443 (HTTPS/TLS for admin interface - optional client certificate auth)

Required services in the LAN or on internet:

            NTP, SMTP (Optional) and Syslog (Optional)

 

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Database Server, Recommended minimum specifications:

 VMware ESXi

CPU:

            Minimum 4 cores allocated to VM.

Memory:

            Minimum 16 GB, 24GB recommended

Disc:

Data Volume: Recommended minimum 500GB of fast storage, preferably SSD drives. This volume contains all the state of the system and is written to continuously.

Storage required for logged data is about 5GB per 1000 devices per month using 60s interval. Can be modified using different data retention policies.

Backup:

Our recommended way of taking database backups is to take a "SAN snapshot", and then perform a backup of the resulting block device or file system. (Note that this differs from VMware snapshots).

 

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