Linux 5.9: Checkpoint/Restore and Scheduler Improvements
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Checkpoint/Restore Of Unprivileged Processes Sent In For Linux 5.9
Linux 5.9 is bringing another feature that's long been baking and of interest to a growing number of stakeholders... checkpoint/restore functionality of unprivileged processes.
With Linux 5.9 all the pieces should be in place for allowing checkpoint/restore of processes not running as root. This saving and restoring of processes can be used for functionality like container migration, moving workloads in HPC environments, or for the Java JVM to speed-up startup time. The Linux kernel has supported checkpoint/restore of processes but only as root until now.
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Linux 5.9 Continues Working On A Variety Of Scheduler Improvements
Among the many pull requests sent in for the Linux 5.9 merge window by longtime developer Ingo Molnar are the usual assortment of scheduler improvements.
[...]
- The deadline scheduler is now capacity-aware and has seen other improvements too.
- UClamp performance improvements for this utilization clamping functionality.
- Cleanups to the energy/power-aware scheduling.
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