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Stream node configurations for a queue processor rule

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A queue processor rule requires at least one stream node to run. Without a stream node, messages cannot be queued to or retrieved from the Kafka server.

Stream nodes

A Pega node works as a stream node when you start it with a stream node type. The following JVM argument shows a stream node type:

-DNodeType=Stream
A universal node type also works as a stream node type. The following JVM argument shows a universal node type:
-DNodeType=Universal
If you do not define a stream node in a cluster, the items are queued to the database, and then these items are processed when a stream node is available.

Configure stream nodes by using dynamic system settings. For more information, see Configuring dynamic system settings.

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