Peter Dillinger ce391ff84b Clarifying comments for Read() APIs (#8029) ... Summary: I recently discovered the confusing, undocumented semantics of Read() functions in the FileSystem and Env APIs. I have added clarification to the best of my reverse-engineered understanding, and made a note in HISTORY.md for implementors to check their implementations, as a subtly non-adherent implementation could lead to RocksDB quietly ignoring some portion of a file. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8029 Test Plan: no code changes Reviewed By: anand1976 Differential Revision: D26831698 Pulled By: pdillinger fbshipit-source-id: 208f97ff6037bc13bb2ef360b987c2640c79bd03		2021-03-05 14:42:19 -08:00
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rocksdb	Clarifying comments for Read() APIs (#8029)	2021-03-05 14:42:19 -08:00