Peter Dillinger 9aad24da55 Real fix for race in backup custom checksum checking (#7309) ... Summary: This is a "real" fix for the issue worked around in https://github.com/facebook/rocksdb/issues/7294. To get DB checksum info for live files, we now read the manifest file that will become part of the checkpoint/backup. This requires a little extra handling in taking a custom checkpoint, including only reading the manifest file up to the size prescribed by the checkpoint. This moves GetFileChecksumsFromManifest from backup code to file_checksum_helper.{h,cc} and removes apparently unnecessary checking related to column families. Updated HISTORY.md and warned potential future users of DB::GetLiveFilesChecksumInfo() Pull Request resolved: https://github.com/facebook/rocksdb/pull/7309 Test Plan: updated unit test, before and after Reviewed By: ajkr Differential Revision: D23311994 Pulled By: pdillinger fbshipit-source-id: 741e30a2dc1830e8208f7648fcc8c5f000d4e2d5		2020-08-26 10:39:20 -07:00
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rocksdb	Real fix for race in backup custom checksum checking (#7309)	2020-08-26 10:39:20 -07:00