Il giorno mar 8 mag 2018 alle ore 09:55 Flavio Junqueira <f...@apache.org> ha scritto:
> Hi Enrico, > > You can determine the state of a server it via 4-letter commands. Would > that work for you? > Hi Flavio, In my case I would like to have that info directly via JMX, in order to use 4-letter words I would need an additional communication channel and it can be quite expensive (open/close connection) as I need automatic monitoring of the status of the cluster. >From JMX I can know if the local peer is the leader, but if the local peer is a follower I can't ask him which is the leader from its point of view. >From your answer I guess that the final answer is no. I did not check the code, if the change is minimal (I guess the follower knows which is the current leadger) I can work on a patch Thank you Enrico > > -Flavio > > > On 8 May 2018, at 09:09, Enrico Olivelli <eolive...@gmail.com> wrote: > > > > Hi, > > is there any way to see in JMX which is the leader of a ZooKeeper > cluster? > > > > My problem is: given access to any of the nodes of the cluster I want to > > know from JMX which is the current leader. > > It seems to me that this information is not available, you can know only > if > > the local node is Leader or Follower. > > > > Cheers > > Enrico > >
