Understanding Storage I/O Under Load - Exploring Disks and Managing IO Workloads

Understanding Storage I/O Under Load - Exploring Disks and Managing IO Workloads

Linux Foundation via YouTube Direct link

Token bucket algo (and its math)

12 of 19

12 of 19

Token bucket algo (and its math)

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Understanding Storage I/O Under Load - Exploring Disks and Managing IO Workloads

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  1. 1 Presenter
  2. 2 About ScyllaDB
  3. 3 Current SSDs are Amazing
  4. 4 SSDs are Amazing, but not Magic
  5. 5 Why mixed workloads? + Online transaction processing (OLTP)
  6. 6 Introducing Diskplorer
  7. 7 AWS 13.3xlarge
  8. 8 GCP n2-standard-8, 2TB Persistent Disk
  9. 9 Clunky hard disk
  10. 10 Disk math troubles
  11. 11 Disk math (step 1)
  12. 12 Token bucket algo (and its math)
  13. 13 Disk math (step 2)
  14. 14 Scheduler algo
  15. 15 Scheduler safety area
  16. 16 CPU scheduler classes
  17. 17 Classes and shares
  18. 18 Scheduler real work
  19. 19 GCP n2-standard-16,8 load SSDs

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