Telemetry database backend #2145

Job	Run time
macOS [UBSAN] [lmdb \| clang]	32m 26s
Linux [UBSAN] [lmdb \| clang]	39m 34s
macOS [ASAN] [lmdb \| clang]	30m 41s
macOS [TSAN] [lmdb \| clang]	32m 40s
Linux [ASAN] [lmdb \| clang]	38m 47s
macOS [UBSAN] [rocksdb \| clang]	41m 23s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	37m 46s
macOS [ASAN] [rocksdb \| clang]	41m 20s
Linux [TSAN] [lmdb \| clang]	38m 29s
macOS [TSAN] [rocksdb \| clang]	53m 12s
Linux [LEAK] [lmdb \| clang] (Errors Ignored)	38m 9s
Linux [UBSAN] [rocksdb \| clang]	48m 17s
Linux [ASAN] [rocksdb \| clang]	54m 25s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	57m 20s
Linux [LEAK] [rocksdb \| clang] (Errors Ignored)	55m 33s
	10h 40m 2s

Provide feedback