like many ServiceNow pros, Semaphore comes to mind when there is a performance issue, however, Semaphore is much bigger than that. here I am trying to learn more about Semaphore.

What is Semaphore?
according to ServiceNow docs and JVM docs, Semaphore manages and protects ServiceNow resources and limits the number of activities for a specific resource. Semaphore does that by controlling transaction queues in a first-in-first-out fashion(FIFO).

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