So I am trying to create a patch in order to expose on JMX the id of the current "leader" (on the JVM of a follower)
I am trying to find in ZK which is the variable which holds the ID of the current leader. I am new to the internal of QuorumPeer Can someone give me some hint ? Enrico Il giorno mar 8 mag 2018 alle ore 10:08 Ansel Zandegran < ansel.zandeg...@infor.com> ha scritto: > Hi, > That is possible with 4 letter commands. We are using it now. In 3.5.x it > is going to be removed in favour of admin server (embedded web server). > We are running in an environment where it’s not possible to run JMX or > embedded web servers. > > So I am wondering if there is another way? It would be nice to have this > info as a znode. > > Best regards, > Ansel > > > On 8 May 2018, at 09:55, Flavio Junqueira <f...@apache.org> wrote: > > > > Hi Enrico, > > > > You can determine the state of a server it via 4-letter commands. Would > that work for you? > > > > -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 > > > >
