K&L Gates LLP
Input/output command rebalancing in a virtualized computer system
The present disclosure provides new methods and systems for input/output command rebalancing in virtualized computer systems. For example, an I/O command may be received by a rebalancer from a virtual queue in a container. The container may be in a first virtual machine. A second I/O command may be received from a second virtual queue in a second container which may be located in a second virtual machine. The rebalancer may detect a priority of the first I/O command and a priority of the second I/O command. The rebalancer may then assign an updated priority each I/O command based on a quantity of virtual queues in the virtual machine of origin and a quantity of I/O commands in the virtual queue of origin. The rebalancer may dispatch the I/O commands to a physical queue.
Red Hat, Inc.
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Huamin
Chen