What is Dispatcher and Performer?

 What is Dispatcher and Performer?

Dispatcher and Performer (Worker) will be the two separate robot or sometimes it can be one. Dispatcher would be the robot that will add the transaction into queue. Performer will retrieve on item from the queue and process them.

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Dispatcher

·      The Dispatcher is a process to push the transaction item to an orchestrator queue.

·      It extracts data from one or multiple sources and uses it to create queue item.

·      Dispatcher can push the transaction item to one or more queues.

·      We can split the processing of the item between multiple robots.

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Performer

·      The Performer is a process used to pull transaction item from an orchestrator queue and process them.

·      Queue item processed one at a time.

·      It uses error handling and retry mechanism for each processed item.

·      A major advantage of the Performer is its scalability, multiple Performers can be used with a single queue.


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