IPLFS - Log-Structured File System without Garbage Collection

IPLFS - Log-Structured File System without Garbage Collection

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Intro

1 of 24

1 of 24

Intro

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IPLFS - Log-Structured File System without Garbage Collection

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  1. 1 Intro
  2. 2 Outline
  3. 3 Garbage Collection?
  4. 4 Garbage Collection is costly.
  5. 5 Overhead of Garbage Collection
  6. 6 Why does Garbage Collection exist?
  7. 7 Actively Used File System Partition
  8. 8 Handling very large file system partition
  9. 9 Metadata for Log-structured filesystem
  10. 10 Discard Command
  11. 11 Discard the file system blocks (F2FS)
  12. 12 Discard Mechanism of IPLFS
  13. 13 Discard bitmap with Power failure
  14. 14 Discard Logging Mechanism with Power failure
  15. 15 Recovery of Discard Log
  16. 16 File system Layout of IPLFS
  17. 17 FTL Mapping Table For Infinite Partition?
  18. 18 Moving Mapping Interval
  19. 19 Structure of Interval Mapping
  20. 20 Fixed Region Mapping for Map node
  21. 21 Map Node Compaction
  22. 22 Evaluation
  23. 23 Garbage Collection Elimination.
  24. 24 Conclusion

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