I second this and would add some emphasis. Rolling restart looks complicated when you write out the steps, but the fact that anybody who has done it can write down the procedure correctly. At most, they have to be reminded to make sure that a quorum of machines stays live.
That implies that the procedure is dead simple and easy to get right in practice. 2011/11/30 Patrick Hunt <ph...@apache.org> > Also keep in mind that rolling restart is dead simple and works.
