fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Peter Dillinger 4e258d3e63 Fix backup/restore in stress/crash test (#7357) ... Summary: (1) Skip check on specific key if restoring an old backup (small minority of cases) because it can fail in those cases. (2) Remove an old assertion about number of column families and number of keys passed in, which is broken by atomic flush (cf_consistency) test. Like other code (for better or worse) assume a single key and iterate over column families. (3) Apply mock_direct_io to NewSequentialFile so that db_stress backup works on /dev/shm. Also add more context to output in case of backup/restore db_stress failure. Also a minor fix to BackupEngine to report first failure status in creating new backup, and drop another clue about the potential source of a "Backup failed" status. Reverts "Disable backup/restore stress test (https://github.com/facebook/rocksdb/issues/7350)" Pull Request resolved: https://github.com/facebook/rocksdb/pull/7357 Test Plan: Using backup_one_in=10000, "USE_CLANG=1 make crash_test_with_atomic_flush" for 30+ minutes "USE_CLANG=1 make blackbox_crash_test" for 30+ minutes And with use_direct_reads with TEST_TMPDIR=/dev/shm/rocksdb Reviewed By: riversand963 Differential Revision: D23567244 Pulled By: pdillinger fbshipit-source-id: e77171c2e8394d173917e36898c02dead1c40b77		4 years ago
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backupable_db.cc	Fix backup/restore in stress/crash test (#7357)	4 years ago
backupable_db_test.cc	Real fix for race in backup custom checksum checking (#7309)	4 years ago