Hi! > Le 17 sept. 2019 à 16:07, pslawek83 <pslawe...@o2.pl> a écrit : > > Hi Everyone, just some quick follow up on this topic about MyRocks i started. > It seems that there are some issues with debian9 and cfq scheduler when using > rocks. Tested this on VM, not sure how virtualization is affecting this. > Rocks is easily able to saturate 3 cpu cores with I/O wait and I/O throughput > is very low in this config, even on fast SSD. > > This gets much better after switching to noop/deadline and best is to switch > to Debian10 with mq-deadline. Then I/O wait drops to 0% and performance > improves a lot.
Just curious, is mq-deadline faster than none, even on fast SSD / NVME? Thanks! Jocelyn _______________________________________________ Mailing list: https://launchpad.net/~maria-discuss Post to : maria-discuss@lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-discuss More help : https://help.launchpad.net/ListHelp