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Wednesday, October 28 • 12:00 - 12:50
A Faster Hibernation/Resume Using Opportunistic Memory Reclaim - Andrea Righi, Canonical

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Hibernation is usually considered as an obsolete feature for laptops, but it can still provide significant benefits in many different scenarios, if it can be made to work reliably and efficiently. The main bottleneck of hibernation is the cost of I/O, both at hibernation and resume time, but it is possible to reduce this cost using opportunistic memory reclaiming techniques. Canonical has been actively experimenting hibernation in cloud computing and virtualized environments. In the process we had the opportunity to experiment some improvements and learn surprising lessons. This session shares some technical details of the solutions that we developed, the lessons learned and the results that we found.

Speakers
avatar for Andrea Righi

Andrea Righi

Kernel Engineer, Canonical
Andrea Righi works for Canonical as a Kernel Engineer, focusing on performance analysis, tracing, virtualization technologies and power management topics. Andrea started working with the Linux kernel in 2004 while he was a student at the University. His contributions were mostly focused... Read More →



Wednesday October 28, 2020 12:00 - 12:50 GMT
Linux Systems Theater
  Linux Systems, Power Management