Re: -mm merge plans for 2.6.23

2007-07-27 Thread Daniel Cheng
Andrew Morton wrote: [...] > > And userspace can do a much better implementation of this > how-to-handle-large-load-shifts problem, because it is really quite > complex. The system needs to be monitored to determine what is the "usual" [...] > All this would end up needing runtime configurability

Re: Linux disk performance.

2006-12-20 Thread Daniel Cheng
Manish Regmi wrote: [...] If you upgrade to a newer kernel you can try other i/o scheduler options, default cfq or even deadline might be helpful. I tried all disk schedulers but all had timing bumps. :( Did you try to disable the on disk write cache? man hdparm(8) -W Disable/enable