Hi Andrew, I just replied to your question in another email thread. I hope it helps. In short, in 2.x, you don't need PaceMaker.
On Thu, Mar 19, 2020 at 7:16 PM Andrew Neilson <[email protected]> wrote: > We're working on moving from v0.9.5 to 2.1 right now and as you can > imagine there have been quite a few changes :). > > One of the improvements we've been looking forward to is the different > approach to heartbeats since we had observed the bottleneck in ZK's > transaction log. > > I've seen references to this change in this list: > https://issues.apache.org/jira/browse/STORM-2693 > > Could anyone describe the default behavior of heartbeats in 2.1 vs 1.2? I > understand that in 1.2 you can use Pacemaker to remove the dependency on ZK > for heartbeats. > > But I haven't seen any up-to-date information on how a cluster should be > set up today. If we are trying to avoid the ZK bottleneck do we still need > to use Pacemaker? Or do we get that for free now? > > Thanks, > Andrew >
