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by supriyo-biswas
371 days ago
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If we're talking about bitrot protection, I'm pretty sure S3 would use some form of checksum (such as crc32 or xxhash) on each internal block to facilitate the Reed-Solomon process. If it's verifying whether if it's the same file, you can use the Etag header which is computed server side by S3. Although I don't like this design as it ossifies the checksum algorithm. |
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