Bootstrap tuning #2431

Job	Run time
Linux [UBSAN] [lmdb \| clang]	41m 20s
macOS [UBSAN] [lmdb \| clang]	34m 29s
Linux [ASAN] [lmdb \| clang]	41m 19s
macOS [ASAN] [lmdb \| clang]	36m 40s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	40m 55s
macOS [TSAN] [lmdb \| clang]	44m 29s
Linux [TSAN] [lmdb \| clang]	42m 55s
Linux [LEAK] [lmdb \| clang]	41m 0s
macOS [UBSAN] [rocksdb \| clang]	55m 9s
macOS [ASAN] [rocksdb \| clang]	39m 37s
macOS [TSAN] [rocksdb \| clang]	50m 13s
Linux [UBSAN] [rocksdb \| clang]	50m 28s
Linux [ASAN] [rocksdb \| clang]	55m 39s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	53m 36s
Linux [LEAK] [rocksdb \| clang]	55m 0s
	11h 22m 49s

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