On Wed 06-11-19 18:03:10, Robert Stupp wrote: > Oh, and I just realized, that I have two custom settings in my > /etc/rc.local - guess, I configured that when I installed that machine > years ago. Sorry, that I haven't mentioned that earlier. > > echo 0 > /sys/block/nvme0n1/queue/read_ahead_kb > echo never > > /sys/kernel/mm/transparent_hugepage/defrag > > That setting is probably not quite standard, but I assume there are > some database server setups out there, that set RA=0 as well. Ok, yes, that explains ra_pages == 0. Thanks for the details. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR