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The Azure Injector has a Push Policy property that can be used, along with adding endpoint configurations, to increase the throughput of the Injector.

MQTT Modules for Ignition 8.x > How can I increase throughput for the Azure Injector > image (17) (3).png

The Push Policy defines which endpoints to push to.

If PUSH_TO_ALL is selected, every endpoint that is part of this set will receive all messages.
If PUSH_TO_ANY is selected, only one of the endpoints that is part of this set will receive any given message.

As an example, three end points configured and five messages are published.

With PUSH_TO_ALL, all three end points will receive all five messages (3x5 = 15)
With PUSH_TO_ANY, only one of the end points, and it could be anyone, will get a message (1x5 = 5)