On Tue, 2014-12-02 at 17:51 +0100, Martin Kosek wrote: > On 12/02/2014 05:49 PM, Nathaniel McCallum wrote: > > On Tue, 2014-12-02 at 17:48 +0100, Martin Kosek wrote: > >> On 12/02/2014 05:36 PM, Simo Sorce wrote: > >>> On Tue, 02 Dec 2014 11:12:11 -0500 > >>> Nathaniel McCallum <npmccal...@redhat.com> wrote: > >>> > >>>> On Thu, 2014-11-06 at 18:00 -0500, Nathaniel McCallum wrote: > >>>>> On Fri, 2013-10-04 at 06:12 -0400, Simo Sorce wrote: > >>>>>> > >>>>>> ----- Original Message ----- > >>>>>>> On 3.10.2013 23:43, Nathaniel McCallum wrote: > >>>>>>>> Patch attached. > >>>>>>> > >>>>>>> I'm curious - what is the purpose of this patch? To prevent 1 > >>>>>>> second timeouts and re-transmits when OTP is in place? > >>>>>>> > >>>>>>> What is the expected performance impact? Could it be configured > >>>>>>> for OTP separately - somehow? (I guess that it is not possible > >>>>>>> now ...) > >>>>>> > >>>>>> It benefits also communication of large packets (when large > >>>>>> MS-PAC or CAMMAC AD Data are attached), so it is a better choice > >>>>>> for IPA in general. Especially given we have multiple KDC > >>>>>> processes configured we do not want clients wasting KDC resources > >>>>>> by making multiple processes do the same operation. > >>>>> > >>>>> So apparently this patch never got reviewed over a year ago. > >>>>> > >>>>> It was related to a bug which was opened in SSSD. However, when it > >>>>> became clear we wanted to solve this in FreeIPA, the SSSD bug was > >>>>> closed but no corresponding FreeIPA bug was opened. The patch then > >>>>> fell through the cracks. > >>>>> > >>>>> Without this patch, if OTP validation runs long we get retransmits > >>>>> and failures. > >>>>> > >>>>> One question I have is how to handle this for upgrades since (I > >>>>> think) this patch only handles new installs. > >>>>> > >>>>> Anyway, this patch is somewhat urgent now. So help is appreciated. > >>>>> > >>>>> I have attached a rebased version which has no other changes. > >>>> > >>>> I still need a review on this. Any takers? > >>> > >>> The patch looks good to me > >>> > >>> Simo. > >> > >> This fixes the new installations. Can you please refresh the memory what > >> is the > >> decision regarding the upgrades? > > > > The need to fix upgrades will be documented. In the future, we will > > get /etc/krb.conf.d and we will ship a file there. > > > > Nathaniel > > > > Nobody reads the documentation :-) What is the implication for users doing > client update (majority of them) and using OTP feature?
They will get spurious failures. Most will think it is a bug or a network issue. If the failures happen consistently enough, users might get locked out. Nathaniel _______________________________________________ Freeipa-devel mailing list Freeipa-devel@redhat.com https://www.redhat.com/mailman/listinfo/freeipa-devel
