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Large Scale and Big Data
book

Large Scale and Big Data

by Sherif Sakr, Mohamed Gaber
June 2014
Intermediate to advanced content levelIntermediate to advanced
636 pages
23h 13m
English
Auerbach Publications
Content preview from Large Scale and Big Data
515Virtualizing Resources for the Cloud
Similar to a process on a general-purpose OS, a vCPU can be in different states
such as running, ready, and wait states. At a certain point in time, a vCPU can be
scheduled by the hypervisor at only a single core (akin to scheduling an OS process
at a core). For instance, a UP VM running on a host machine equipped with 2 × Xeon
5405 (i.e., total of 8 pCPUs) will run on only 1 of the 8 available cores at a time.
Inherently parallel workloads, such as MapReduce applications, prefer SMP VMs.
We next discuss how the hypervisor schedules vCPUs on pCPUs.
16.6.5 virtual CPu sCheDuling anD Xens sCheDulers
Genera ...
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Publisher Resources

ISBN: 9781466581500