"echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
Better Linux Disk Caching & Performance with vm.dirty_ratio & vm.dirty_background_ratio reference : https://feichashao.com/dirty_ratio_and_dirty_background_ratio/ https://lonesysadmin.net/2013/12/22/better-linux-disk-caching-performance-vm-dirty_ratio/