Stateless HA Scheduling: Solving the Leader Election Problem at the Broker Layer
In modern web development, background jobs and scheduled tasks are the backbone of asynchronous operations—handling everything from daily email reports to outbox processing and periodic data cleanups.
However, running scheduled tasks (cron jobs) reliably in a clustered, high-availability (HA) environment is a notoriously difficult problem. Traditionally, developers have had to choose between heavy distributed locking protocols or complex, stateful leader-election daemons.
