In my humble opinion, several kernel options should be tested before each new Ubuntu version to see what is the best one at the time. This is one such option. Isn't the CFQ scheduler in better shape in Ubuntu 14.04? Maybe not, I am just asking :-). Thanks for the info! :-)
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1008400 Title: Ubuntu server uses CFQ scheduler instead of deadline Status in “linux” package in Ubuntu: In Progress Bug description: Ubuntu server now uses the '-generic' kernel, as the '-server' kernel doesn't exist anymore. With this change the default server disk scheduler changed from deadline to CFQ. This is very bad for servers, deadline should absolutely be the default for servers. For example we moved some KVM images to an Ubuntu 12.04 server, but we had to revert as we got lots of disk errors and eventually frozen disks on these KVM's due to write timeouts. It took us a while before we found out that this 12.04 server used CFQ, which surprised us a lot. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1008400/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp