Merge pull request #4730 from RickiNano/Rocksdb-overhaul #2251

Job	Run time
macOS [UBSAN] [lmdb \| clang]	39m 15s
Linux [UBSAN] [lmdb \| clang]	40m 34s
macOS [ASAN] [lmdb \| clang]	30m 17s
Linux [ASAN] [lmdb \| clang]	42m 41s
macOS [TSAN] [lmdb \| clang]	35m 4s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	41m 22s
macOS [UBSAN] [rocksdb \| clang]	47m 42s
Linux [TSAN] [lmdb \| clang]	40m 42s
macOS [ASAN] [rocksdb \| clang]	44m 26s
Linux [LEAK] [lmdb \| clang] (Errors Ignored)	39m 4s
macOS [TSAN] [rocksdb \| clang]	55m 50s
Linux [UBSAN] [rocksdb \| clang]	55m 46s
Linux [ASAN] [rocksdb \| clang]	56m 52s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	57m 20s
Linux [LEAK] [rocksdb \| clang] (Errors Ignored)	56m 10s
	11h 23m 5s

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