Hi Surajeet, In 2.0, with the change in STORM-2693 <https://issues.apache.org/jira/browse/STORM-2693>, supervisors will send worker heartbeat to nimbus directly. Pacemaker is not required but still can be used.
Links: [1] https://issues.apache.org/jira/browse/STORM-2693 <https://issues.apache.org/jira/browse/STORM-2693> Best, Ethan > On Feb 18, 2020, at 1:03 PM, Surajeet Dev <[email protected]> wrote: > > I am aware that Pacemaker was introduced to avoid Zookeeper becoming a > bottleneck when there is high volume of worker heartbeat. > > Will Pacemaker be still required if we upgrade to Storm 2.0? Or is it with > 2.0 , the whole thing has been re-architected? > > Regards > Surajeet
