Public bug reported:
i think that the default I/O scheduler should be change from CFQ to deadline --------------------------------------------------------------------- i have test CFQ and deadline I/O scheduler on a DELL Latitude 120L with 1GB of RAM and 40GB hard drive with EXT4 filesystem and GPT with both I/O schedulers and Found that deadline I/O scheduler is the fastest -------------------------------------- also tested EXT3 with MBR and deadline I/O scheduler EXT3 with GPT and deadline I/O scheduler EXT4 with MBR and deadline I/O scheduler EXT4 with GPT and deadline I/O scheduler -- all are faster with deadline I/O scheduler ubuntu versions tested - Ubuntu 9.04, Ubuntu 10.04 (LTS), Xubuntu 10.04 -------------------------------------------------------------------- also test both I/O schedulers on two other computers (total of 3 computers) the deadline I/O scheduler preformed the best/fastest ----------------------------------------------------------------- also went deadline I/O scheduler is put in Grub ( etc/default/grub OR grub.cfg ) the boot speed is increased and desktop speed OR went deadline I/O scheduler is put in rc.local ( etc/rc.local ) the desktop speed is increased only -------------------------------------------------------------------- http://en.wikipedia.org/wiki/Deadline_scheduler http://en.wikipedia.org/wiki/GUID_Partition_Table http://en.wikipedia.org/wiki/Ext4 http://itezer.com/blog/ubuntu-linux/125-Four_Tweaks_for_Using_Ubuntu_with_SSD.html http://en.wikipedia.org/wiki/CFQ ** Affects: ubuntu Importance: Undecided Status: New -- default I/O scheduler should be change from CFQ to deadline https://bugs.launchpad.net/bugs/631871 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs