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A comment on A Distributed File System in Go Cut Average Metadata Memory Usage to 100 Bytes. Parent comment

Re:A Distributed File System in Go Cut Average Metadata Memo... by daviesliu on Sunday February 25, 2024 @05:51AM (#39499698)
The S3 API allow user to specify the hash of content as HTTP header, it will be verified by the JuiceFS gateway and persisted into JuiceFS as ETag.

With POSIX API or HDFS, there is no such API to do that, unfortunately.

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