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AVEVA Enterprise SCADA

PubSub Engine health

  • Last UpdatedApr 24, 2025
  • 1 minute read

The table below describes the PubSub topics that you can subscribe to and obtain additional health information about the PubSub Engine:

Topic

Description

<system>.pubsub.health.engine.<serverId>.healthstate

When a PubSub Engine is available, the local PubSub Engine publishes the string as good.

When a PubSub Engine is no longer accessible, the local PubSub Engine publishes the string as bad.

The <serverid> is the IP address used by the PubSub Engine as a single hexadecimal number. For example, 10.70.80.2 would appear as ‘a465002’ (0a=10, 46=70, 50=80, 02=2).

Note: Leading zeros are removed from the <serverId> string.

<system>.pubsub.health.engine.<serverId>.hostname

This message is a string containing the published host name of the server that contains the PubSub Engine.