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Wednesday, August 19 • 12:00pm - 12:45pm
Pushing the limits: 1000 guests per host and beyond - Jens Freimann

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What happens when instead of 10 virtual machines per host system you start 100 or even 1000? What happens when you have 1000 disks per guest? On the Mainframe, setups with hundreds or thousands of devices and a huge number of guests are not unheard of. Large scenarios like that tend to find limiting factors, and that is no different on KVM. In this talk, we will present our findings for such setups under KVM. We will discuss our experiences when trying to scale to large numbers of guests and devices on z Systems: which limits we hit, how we got around them, and where we still have unresolved issues.

avatar for Jens Freimann

Jens Freimann

Software Engineer, IBM
Jens Freimann is currently employed at IBM Research & Development Gmbh in Germany. He has been working as a software engineer on KVM and QEMU on System z for the last 3.5 years. Previously he was a Firmware Engineer for I/O Firmware on System z where he was working on a Simulator that used KVM as a tool to do a full system simulation to support in development and test.

Wednesday August 19, 2015 12:00pm - 12:45pm
Grand Ballroom A

Attendees (29)