FLOW CONTROL FOR UNALIGNED WRITES IN NETWORK STORAGE DEVICE

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United States of America Patent

APP PUB NO 20170293426A1
SERIAL NO

15097161

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Methods, systems, and programs are presented for controlling the flow of data into a device in the presence of writes that are unaligned along boundaries associated with a block size. One method includes operations for identifying admission data rates for volumes, and for tracking a utilization rate of a memory that stores data of incoming writes. The method determines if incoming writes include unaligned data. When the memory utilization rate is above a first threshold, a first flow control is applied that includes a reduction of admission rates of volumes having unaligned writes while maintaining admission rates of volumes without unaligned writes. When the utilization rate is above a second threshold that is greater than the first threshold, a second flow control is applied in addition to the first flow control. The second flow control includes a reduction of a system admission rate for all incoming writes.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HEWLETT PACKARD ENTERPRISE DEVELOPMENT LPHOUSTON, TX8793

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