US Patent 9891966 Idempotent mode of executing commands triggered by complex event processing

Systems and methods for enforcing the idempotent mode of executing commands triggered by complex event processing. An example method may comprise: receiving, by a processing device of a command dispatching module associated with a first event processing node, an event processing command comprising a command identifier; and responsive to successfully storing the command identifier in a hash table employed for storing identifiers of executed commands, causing the event processing command to be executed.