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# Specifying Kafka Scheduler Options

Type `./kafka_scheduler <Option_Name>`.

Option Name | Description
--- | ---
update | Updates the scheduler
start | Starts the scheduler and begins copying data from all registered Kafka brokers
stop | Stops the scheduler and ends copying data from all registered Kafka brokers
delete | Deletes all registered Kafka instances from the scheduler. This operation will cause the ArcSight database to discard Kafka topic offsets. When the scheduler is created again, it will start reading data added to the topic after the scheduler creation, instead of at the old offset, which is likely to result in some data on the topic being skipped.
status | Prints the following information and log status for a running or stopped scheduler: Current Kafka cluster assigned to the scheduler Name and ArcSight database host where the active scheduler is running Name, ArcSight database host, and process ID of every running scheduler (active or backup)
events | Prints event copy progress for the scheduler
messages | Prints scheduler messages