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Updated Erasure Coding for warm storage (markdown)

Chris Lu 2019-06-11 10:15:12 -07:00
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Erasure-Coding-for-warm-storage.md

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This erasure coding implementation took some ideas from [f4: Facebook’s Warm BLOB Storage System](https://www.usenix.org/system/files/conference/osdi14/osdi14-paper-muralidhar.pdf).
This erasure coding implementation took some ideas from [f4: Facebook’s Warm BLOB Storage System](https://www.usenix.org/system/files/conference/osdi14/osdi14-paper-muralidhar.pdf), without its high requirements.
Usually data is hot when it is fresh, and are accessed very often. SeaweedFS normal volumes tries hard to minimize the disk operations, but it comes with a cost of loading indexes in memory.