International Business Machines Corporation

Alice M Williams-Obleton

Peter Grimm Sutton

Robert O Dryfoos

Shawfu Chen

Mei-Hui Wang

Allan Feldman

Jason A Keenaghan

David Y Hu

Peter A Lewis

A plurality of batch lists are maintained by a channel in order to improve the efficiency of the channel in performing messaging between a sender and a receiver. For example, a Next Batch list is used to prefetch messages to be sent to the receiver from the sender; a Current Batch list includes the messages currently being transmitted to the receiver or waiting confirmation; and an Acknowledged Batch List includes the messages confirmed by the receiver. This allows the functions of prefetching messages, sending messages and deleting confirmed messages to be performed in parallel.

Method, system and program storage device for accessing memory to perform messaging using a channel coupled to a sender and a receiver

Performance of channels used in communicating between senders and receivers

Memory resident queues are monitored at predefined time intervals. When the monitoring indicates that a particular queue is not being serviced at a desired level, then action is taken to sweep one or more messages from the queue. The sweeping of the messages frees up system resources associated with the messages, thus allowing other tasks to be serviced. If, after the sweeping, it is determined that the queue can handle additional messages, then one or more messages are placed back on the queue.

Managing memory resident queues to control resources of the systems using the queues

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Poughkeepsie, NY, United States of America

Alice M Williams-Obleton