3 ms·what about using sync to flush changes to disk? does it flush the block device cache as well?by boobsbr 10y agowhat about using sync to flush changes to disk? does it flush the block device cache as well?0x0 10y agoI think you have to play additional games with /proc/sys/vm/drop_caches thenzeusk 10y agoTried that as well, echo 3 > /proc/sys/vm/drop_caches