Re: Question about the leader-based atomic broadcast

2019-01-09 Thread Michael Han
n replaying > recent events will merely write the same value. > > The effect of all of this is that there is no penalty for deleting > transactions immediately after they are committed and acknowledged. > > > > On Wed, Jan 9, 2019 at 10:55 AM Meng Xu wrote: &g

Re: Question about the leader-based atomic broadcast

2019-01-09 Thread Ted Dunning
will merely write the same value. The effect of all of this is that there is no penalty for deleting transactions immediately after they are committed and acknowledged. On Wed, Jan 9, 2019 at 10:55 AM Meng Xu wrote: > Hi, > > I have a question about the leader-based atomic broad

Question about the leader-based atomic broadcast

2019-01-09 Thread Meng Xu
Hi, I have a question about the leader-based atomic broadcast used in ZooKeeper. According to the Zab paper "A simple totally ordered broadcast protocol"[1], the protocol has the requirement of reliable delivery: If a message is delivered to one server, it will be eventually delive