** Description changed: Binary package hint: linux-image-2.6.27-7-generic - After upgrading to Ubuntu 8.10, I observed a very poor filesystem + After upgrading to Ubuntu 8.10, I observed very poor filesystem performance compared to pre-upgrade system. After some examining, I was able to pinpoint it to kernel. This is a quadcore x86_64 system. $ lsb_release -rd Description: Ubuntu 8.10 Release: 8.10 (Upgraded from 8.04) $ mount /dev/md1 on / type xfs (rw,relatime) Here are simple benchmarks, as I had 8.04 kernel available. All measurements done after a reboot to ensure cold caches. 2.6.24-21-generic: $ time tar xf linux-2.6.27.tar.bz2 real 0m53.399s user 0m15.797s sys 0m2.556s $ time rm -rf linux-2.6.27 real 0m31.863s user 0m0.016s sys 0m1.796s 2.6.27-7-generic: $ time tar xf linux-2.6.27.tar.bz2 real 6m18.707s user 0m16.493s sys 0m2.932s $ time rm -rf linux-2.6.27 real 4m54.166s user 0m0.028s sys 0m2.076s
-- Very low XFS performance with Ubuntu 8.10 kernel https://bugs.launchpad.net/bugs/294069 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
