International Business Machines Corporation

Jinghong Ma

Peter Kenneth Szwed

Richard K Errickson

Ambrose A Verdibello, Jr

Andrew W Piechowski

Scott E Davies

A computer-implemented method for message handling between a receiver and a sender of a throttling system is provided. The computer-implemented method includes receiving a first message that includes a completion queue element by the receiver from the sender. The computer-implemented method includes detecting that a number of outstanding completion queue elements in a completion queue meets or exceeds a high mark and instructing the sender to enter a throttle mode. The computer-implemented method includes receiving a second message without a completion queue element by the receiver from the sender. The computer-implemented method includes detecting that the number of the outstanding completion queue elements in the completion queue meets or is below a low mark and instructing the sender to exit the throttle mode.

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Jinghong Ma