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by burmecia
2580 days ago
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Totally agree. Log based file system makes things much easier, such as atomic write, data consistency and failure recovery. Along with COW semantics, transaction isolation also becomes easier. By its append-only writing nature, file versioning is trivial as well. Garbage collection is performance downside indeed, but it can be mitigated by COW switching and delayed bulk collection IMHO. Overall, the cost is worthwhile and that is what I am currently doing in ZboxFS: https://github.com/zboxfs/zbox. |
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