Quality of service management using host specific values

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United States of America Patent

PATENT NO 8892716
SERIAL NO

14227537

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Abstract

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In one embodiment, a latency value is determined for an input/output IO request in a host computer of a plurality of host computers based on an amount of time the IO request spent in the host computer's issue queue. The issue queue of the host computer is used to transmit IO requests to a storage system shared by the plurality of host computers. The method determines a host specific value assigned to the host computer based in proportion on a number of shares assigned to the host in a quality of service policy for IO requests. The size for the host computer's issue queue is determined based on the latency value and the host specific value to control a number of IO requests that are added to the host computer's issue queue where other hosts in the plurality of hosts independently determine respective sizes for respective issue queues.

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Patent Owner(s)

  • VMWARE, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahmad, Irfan Mountain View, US 64 1857
Gulati, Ajay Palo Alto, US 45 883

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