Have try swappiness = 0 ? 2010/10/21 Peter Hoeg <pe...@hoeg.com>: > I'll try that on the box tomorrow. > > The other odd thing is that turning off swap is extremely slow. As an > example if I have about 60% memory used then it will start swapping a > few 100 MBs. If I then do a "swapoff -a", then the box obviously starts > swapping in, but it happens at approximately 500KB/s. > > -- > Heavy Disk I/O harms desktop responsiveness > https://bugs.launchpad.net/bugs/131094 > You received this bug notification because you are a direct subscriber > of the bug. > > Status in The Linux Kernel: Invalid > Status in “linux” package in Ubuntu: Confirmed > Status in “linux-source-2.6.22” package in Ubuntu: Won't Fix > > Bug description: > Binary package hint: linux-source-2.6.22 > > When compared with 2.6.15 in feisty, heavy disk I/O causes increased iowait > times and affects desktop responsiveness in 2.6.22 > > this appears to be a regression from 2.6.15 where iowait is much lower and > desktop responsiveness is unaffected with the same I/O load > > Easy to reproduce with tracker - index the same set of files with 2.6.15 > kernel and 2.6.22 kernel and the difference in desktop responsiveness is > massive > > I have not confirmed if a non-tracker process which does heavy disk i/o > (especially writing) replicates this yet - will do further investigation soon > > To unsubscribe from this bug, go to: > https://bugs.launchpad.net/linux/+bug/131094/+subscribe >
-- Heavy Disk I/O harms desktop responsiveness https://bugs.launchpad.net/bugs/131094 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
