On Thu, Jul 5, 2012 at 11:13 PM, Liu Yuan <[email protected]> wrote: > On 07/05/2012 11:08 PM, Yunkai Zhang wrote: >> Yes, leave event is delivered by corosync to sheep one by one. >> >> But the order processed by sheep depends on when sheep read it from >> corosync_event_list when you add leave event to the head of the list. >> The time processing confchg event may different between each sheeps, >> so the order maybe broken. >> >> If we need to give priority to process leave event and keep same >> processing order in each sheep, we can add each leave event in front >> of all other events but keep leave event in its delivered order in >> corosync_event_list. > > This is what my v2 does. Seems that even with this method, we can't keep > the order between join and leave events in some corner cases. > > I am considering use separate lists for notification and confchg events.
I think zookeeper driver will have the same problem, but there is a little different between corosync and zookeeper, I'll try to fix this issue in zookeeper driver later. > > Thanks, > Yuan > -- Yunkai Zhang Work at Taobao -- sheepdog mailing list [email protected] http://lists.wpkg.org/mailman/listinfo/sheepdog
