Le 03/12/2018 à 20:56, Lionel Bouton a écrit : > [...] > Note : recently I tried upgrading from 4.9 to 4.14 kernels, various > tuning of the io queue (switching between classic io-schedulers and > blk-mq ones in the virtual machines) and BTRFS mount options > (space_cache=v2,ssd_spread) but there wasn't any measurable improvement > in mount time (I managed to reduce the mount of IO requests
Sent to quickly : I meant to write "managed to reduce by half the number of IO write requests for the same amount of data writen" > by half on > one server in production though although more tests are needed to > isolate the cause).