Worker3 Producer Consumer Job queue Dispatcher Modified Producer and Consumer Pattern • Non blocking for producers • Dispatcher queues jobs • Dispatcher distributes jobs to available workers • Workers capacity) • Send: ch <- v • Receive: v:= <- ch • Used to block or unblock threads • Dispatcher thread ( producer) • Worker thread (consumer) • Also used for stopping a job Worker Pool • Predefine l.go Workers Wait for Replication Job • Channel w.RepJobs blocked until a job is dispatched Dispatcher • Receives job and distributes to available worker • Channel WorkerPool.workerChan is blocked

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