Thanks for your inputs Grant ! Regards, Prabhjot
On Tue, Sep 15, 2015 at 6:56 PM, Grant Henke <[email protected]> wrote: > The first replica in the ISR is the preferred replica, but is not required > to be the leader at all times. If you execute a preferred leader election, > or enable auto.leader.rebalance.enable, then replica 4 will become the > leader again. > > More can be read here: > > - http://kafka.apache.org/documentation.html#basic_ops_leader_balancing > - > > https://cwiki.apache.org/confluence/display/KAFKA/Replication+tools#Replicationtools-1.PreferredReplicaLeaderElectionTool > > > Thank you, > Grant > > On Tue, Sep 15, 2015 at 5:26 AM, Prabhjot Bharaj <[email protected]> > wrote: > > > Hi, > > > > Topic:part_1_repl_3_3 PartitionCount:1 ReplicationFactor:3 Configs: > > > > Topic: part_1_repl_3_3 Partition: 0 Leader: 3 Replicas: 3,4,5 Isr: 4,3,5 > > > > > > I see that the replicas are 3,4,5 but, the ISR is 4,3,5. > > > > > > I have this doubt:- > > > > When the leader is 3, can the ISR be 4, 3, 5 ? > > > > Does the ISR got to have the leader as the first replica ?? > > > > > > Regards, > > > > Prabhjot > > > > > > -- > Grant Henke > Software Engineer | Cloudera > [email protected] | twitter.com/gchenke | linkedin.com/in/granthenke > -- --------------------------------------------------------- "There are only 10 types of people in the world: Those who understand binary, and those who don't"
