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Standalone vs Clustered NATS server configuration

Solved1.33K views26th January 2023DMS NATS
4
Ciprian Moga [SLC] [DevOps Member]318 12th December 2022 1 Comment

Hi,

Is the health of a DMS impacted if all the NATS server nodes (belonging to agents part of the DMS) are configured to run in the standalone mode (each node is pointing to itself in the nats-server.config)?

Which DataMiner features are not functional when NATS is configured to run in the standalone mode?

When will the clustered NATS server configuration become mandatory?

Thanks in advance,

Ciprian Moga [SLC] [DevOps Member] Selected answer as best 26th January 2023
Rene De Posada [SLC] [DevOps Advocate] commented 23rd January 2023

Hi Ciprian, we have configured NATs to localhost in various systems now and there aren’t any issues when it comes to the functionality. Redundancy is lost of course, but this is a known risk when moving away from the cluster setup.

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Marlies Vandenberghe [SLC] [DevOps Member]2.98K Posted 26th January 2023 0 Comments

As Rene mentioned, it is possible to run NATS as localhost, there are currently 2 things known that will no longer work:

-cloud functionalities
-user definable APIs

So as soon as you need those features you’ll have to use NATS server configuration

It is a high priority within Skyline to make NATS as robust as possible which means that in the near future it should also not be needed to configure NATS to localhost for any reason.

Ciprian Moga [SLC] [DevOps Member] Selected answer as best 26th January 2023
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