Queues In A Database System concurrency-control manager lock lock request grant CPU manager transaction transaction source manager transaction page monitor page reply request page disk manager buffer request manager page reply Database System Concepts-6th Edition 24.6 @Silberschatz,Korth and SudarshanDatabase System Concepts - 6 24.6 ©Silberschatz, Korth and Sudarshan th Edition Queues In A Database System