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PRODID:-//Microsoft Corporation//Outlook MIMEDIR//EN
VERSION:1.0
BEGIN:VEVENT
DTSTART:20111116T193000Z
DTEND:20111116T200000Z
LOCATION:TCC 305
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:ABSTRACT: Live migration is a widely used technique for resource consolidation=0Aand fault tolerance. KVM and Xen use iterative pre-copy approaches=0Awhich work well in practice for commercial applications. In this paper,=0Awe study pre-copy live migration of MPI and OpenMP scientific=0Aapplications  running on KVM and  present a detailed performance=0Aanalysis of the migration process. We show=0Athat due to a high rate of memory changes, the current KVM rate control=0Aand target downtime heuristics do  not cope well with HPC=0Aapplications: statically choosing rate limits and downtimes is=0Ainfeasible and current mechanisms sometimes provide sub-optimal performance. We=0Apresent a novel on-line algorithm able to provide minimal downtime and=0Aminimal impact on end-to-end application performance. At the core of=0Athis algorithm is controlling migration based on the application=0Amemory rate of change.
SUMMARY:Optimized Pre-Copy Live Migration for Memory Intensive Applications
PRIORITY:3
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