System requirements

File system

File system requirements apply to binaries, the static configuration, and logs. Flow Manager is a Docker image, so there are no file system restrictions.

For each installation mode, there are additional file system requirements. Please see:

Flow Manager depends on a database to store Flow Manager data. See the MongoDB requirements below.

CPU

Flow Manager needs to run on a system with more than 2 CPUs.

Disk space and RAM

Flow Manager has the following disk space and RAM requirements:

  • Minimum of 10 GB of disk space for Flow Manager only.
  • Minimum of 4 GB of random access memory (RAM) for Flow Manager only.  

The following table provides RAM recommendations in GB for Flow Manager, based on the number of Transfer CFTs it manages.

Number of Transfer CFTs

RAM GB

Up to 250

4

251 to 500

5

501 to 750

7

751 to 1,000

9

1,000 to 3,500

15

More than 3,500

30

Browsers

Flow Manager supports the following web browsers for navigating the user interface and help. Although all of these are supported, tests have indicated the UI performs best in Chrome.

Client OS

Browser

Browser version

Windows 8.1 – 64 bit

Chrome

Latest

Windows 8.1 – 64 bit

Firefox

Latest

Windows 8.1 – 64 bit

Firefox Extended Support Release (ESR)

Latest

Windows 10 – 64 bit

Chrome

Latest

Windows 10 – 64 bit Firefox

Latest

Windows 10 – 64 bit

Microsoft Edge - based on Chromium

Latest 

Concerning your browser:

  • Browsers must accept cookies from the Flow Manager user interface.
  • Local storage must be activated in all supported browsers. It is active in all browsers by default, but to verify:
    • In Chrome, go to Settings | Show advanced settings | Privacy | Content settings | Cookies. Make sure the following is not selected: Block sites from setting any data.
    • In Firefox, enter the address about:config and click I'll be careful, I promise if prompted. Scroll to dom.storage.enabled and ensure that the value is true.


Flow Manager has an HTML5-enabled user interface. The JavaScript option must be activated on your browser:

  • Chrome: Go to Settings | Show advanced settings | Privacy | Content settings | JavaScript. Make sure the following is not selected: Allow all sites to run JavaScript.
  • Firefox: Go to Tools | Options. Make sure the following are selected: Block pop-up window, Load images automatically, and Enable JavaScript.

MongoDB database requirements

Use the following formula to calculate the disk size in megabytes for the database:

f = 0.25 * x + 0.03 * y + 0.05 * z
Where: 

  • x = the number of Transfer CFTs
  • y = the number of flows you want to manage
  • z = the sum of Transfer CFTs in every deployed flow


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