Bootstrap tuning #2511

Job	Run time
Linux [UBSAN] [lmdb \| clang]	40m 17s
macOS [UBSAN] [lmdb \| clang]	33m 38s
Linux [ASAN] [lmdb \| clang]	44m 36s
macOS [ASAN] [lmdb \| clang]	30m 10s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	47m 3s
macOS [TSAN] [lmdb \| clang]	32m 38s
Linux [TSAN] [lmdb \| clang]	45m 30s
Linux [LEAK] [lmdb \| clang]	40m 50s
macOS [UBSAN] [rocksdb \| clang]	42m 58s
Linux [UBSAN] [rocksdb \| clang]	46m 44s
macOS [ASAN] [rocksdb \| clang]	35m 24s
Linux [ASAN] [rocksdb \| clang]	52m 34s
macOS [TSAN] [rocksdb \| clang]	48m 53s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	57m 33s
Linux [LEAK] [rocksdb \| clang]	58m 59s
	10h 57m 47s

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