> > So, I'd prefer to restore the default rather than both Redhat and SUSE apply exactly > > same distro specific patch. because we can easily imazine other users will face the same > > issue in the future. > > On desktop systems the low dirty limits help maintain interactive feel. > Users expect applications that are saving data to be slow. They do not > like it when every application in the system randomly comes to a halt > because of one program stuffing data up to the dirty limit. really? Do you mean our per-task dirty limit wouldn't works? If so, I think we need fix it. IOW sane per-task dirty limitation seems independent issue from per-system dirty limit. > The cause and effect for the system slowdown is clear when the dirty > limit is low. "I saved data and now the system is slow until it is > done." When the dirty page ratio is very high, the cause and effect is > disconnected. "I was just web surfing and the system came to a halt." > > I think we should expect server admins to do more tuning than desktop > users, so the default limits should stay low in my opinion. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>