Is ZFS Dedupe Usable Now? - TrueNAS SCALE FAST Dedupe

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TOC:
00:00 Introduction
01:58 What is deduplication?
06:07 New to fast dedupe: all writes at once
09:26 New to fast dedupe: pruning old blocks
12:23 Pruning demo and bug
15:53 When is dedupe actually useful? SQL dump example
20:18 Virtual machine backup example (plus finding the bug)
26:38 A note on record sizes
28:24 Conclusion