Common contiguous memory region optimized virtual machine migration within a workgroup
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United States of America Patent
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Apr 5, 2016
Grant Date -
Sep 17, 2015
app pub date -
Jun 1, 2015
filing date -
Nov 30, 2012
priority date (Note) -
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Abstract
Embodiments relate to a method for migrating a virtual machine from a first processor to a second processor in a work group. The method includes determining a minimum hardware configuration to support the virtual machine. A list of one or more candidate processors in the work group is constructed. For each of the one or more candidate processors information about shared contiguous memory regions accessible to the candidate processor that is in common to contiguous memory regions accessed by the virtual machine is determined. The virtual machine is migrated to the second processor based on the determination of the information about shared contiguous memory regions accessible to each of the one or more candidate processors that are in common to contiguous memory regions accessed by the virtual machine. The migrating includes moving contiguous memory regions that are not in common between the first processor and the second processor.
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