How are recent tuned changes beneficial to my system performance?

Solution Unverified - Updated -

Issue

  • In RHEL6.5, we see the following changes in the tuned 'virtual-host' profile:
  kernel.sched_min_granularity_ns = 10000000
  kernel.sched_wakeup_granularity_ns = 15000000
  kernel.sched_migration_cost = 5000000
  • How are recent tuned changes beneficial to my system performance?

Environment

  • Red Hat Enterprise Linux 6.5
  • tuned

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