Resource Overcommitment in a Constrained z/VM Environment

Project and Program: Linux & VM, VM

Tags: Proceedings, SHARE Atlanta 2016, 2016

This presentation shows the results of a performance evaluation project of virtualized environments operated with constrained resources. Using z/VM 6.3 with a set of virtual Linux systems running different types of workload in parallel, this project shows the differences of the new memory and CPU management introduced with z/VM 6.3 compared to the previous implementation.
Specifically the efficiency of the z/VM paging subsystem using EDEV-SCSI based paging devices compared to ECKD based paging devices will be shown.-Stefan Reimbold-IBM Corporation

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