Zitan Chen 15245e9018 Fix flaky BackupableDBTest.CustomChecksumTransition (#7254) ... Summary: The flaky test in the title is caused by two problems. First, there is a bug in the BackupEngine that results in skipping computing the default crc32 checksum when `share_table_files` is enabled and the table is already backed up. Second, when `RestoreDBFromBackup` fails and the backup was being restored to the DB directory, it is likely that `RestoreDBFromBackup` has cleaned up the DB directory before it fails, and therefore, files in old backups may collide with files to be backed up if `share_files_with_checksum` is not enabled. New tests that cover the above problems are added. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7254 Test Plan: `./backupable_db_test` Reviewed By: pdillinger Differential Revision: D23118715 Pulled By: gg814 fbshipit-source-id: 7be8de912808944be59e93d602c7431a54c079eb		2020-08-14 13:34:15 -07:00
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backupable_db.cc	Fix flaky BackupableDBTest.CustomChecksumTransition (#7254)	2020-08-14 13:34:15 -07:00
backupable_db_test.cc	Fix flaky BackupableDBTest.CustomChecksumTransition (#7254)	2020-08-14 13:34:15 -07:00