[lkml]   [2009]   [Mar]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Linux 2.6.29
Alan Cox <> writes:

>> > I have not had this problem since I applied Arjan's (for some reason
>> > repeatedly rejected) patch to change the ioprio of the various writeback
>> > daemons. Under some loads changing to the noop I/O scheduler also seems
>> > to help (as do most of the non default ones)
>> (link would be useful)
> "Give kjournald a IOPRIO_CLASS_RT io priority"
> October 2007 (yes its that old)

One issue discussed back then (also for a similar XFS patch) was
that having the kernel use the RT priorities by default makes
them useless as user override.

The proposal was to have a new priority level between normal and RT
for this, but noone implemented this.


-- -- Speaking for myself only.

 \ /
  Last update: 2009-03-24 13:31    [W:0.536 / U:16.644 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site