International Business Machines Corporation

Sharath Manjunath

Adam J McPadden

Anil Bindu Lingambudi

Janani Swaminathan

Trinadhachari Kosuru

A computer-implemented method, a computer program product, and a computer system for data flow management in a heterogeneous memory device. A media controller redirects traffic from first non-volatile memory (NVM) to second NVM, in response to an instantaneous temperature of the first NVM reaches a first predetermined temperature at which redirecting the traffic is started. The media controller throttles to reduce the traffic to the second NVM, in response to determining that the instantaneous temperature is higher than a second predetermined temperature at which throttling is started. The media controller redirects the traffic back to the first NVM, in response to determining that the instantaneous temperature is not higher than the second predetermined temperature and lower than a third predetermined temperature at which throttling is ended. The first NVM is thermally sensitive, while the second NVM is thermally tolerant.

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Mysore, India

Sharath Manjunath