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London Ceph Day: Erasure Coding: Purpose and Progress

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Loic Dachary, Senior Developer, CloudWatt

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London Ceph Day: Erasure Coding: Purpose and Progress

  1. 1. Erasure Code in Ceph
  2. 2. Save Space
  3. 3. XOR
  4. 4. 3 peta => 1.3 peta
  5. 5. Harder object mutations / recovery
  6. 6. Simple operations and tiering Replicated Erasure Coded
  7. 7. Promoted to replica on read Replicated Erasure Coded
  8. 8. Sam & David : refactor
  9. 9. Andreas & Loic : erasure code
  10. 10. Target : February 2014
  11. 11. Why save space before shortage ?
  12. 12. Alpha testers
  13. 13. Sponsors and developers
  14. 14. loic@dachary.org Artwork GPLv3+ Tartaruga Feliz

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