Can you look at the log from controller to see if there is some clue w.r.t. partition 82 ? Was unclean leader election enabled ?
BTW which release of Kafka are you using ? Cheers On Thu, Dec 14, 2017 at 11:49 AM, Tarun Garg <bigdat...@live.com> wrote: > I checked log.dir of the all nodes and found index, log and time index > files are in sync(size and date of modification). > This caused more confusion. > > How can I add this isr back. > > > > > On Dec 14, 2017, at 1:35 AM, UMESH CHAUDHARY <umesh9...@gmail.com> > wrote: > > > > Do you find any messages on broker 3 w.r.t. Topic: XYZ Partition 82? Also > > broker 3 is in isr for other partitions (at least 83,84) so I don't see > any > > broker issue in this. > > > > On Thu, 14 Dec 2017 at 01:23 Tarun Garg <bigdat...@live.com> wrote: > > > >> Hi, > >> > >> I have a Kafka cluster and it is running from a long time, just today I > >> realize that some of the topic partition are not in good state, there > Isr > >> is been reduced to 2 from 3 even though the node of the lost replica is > >> working > >> > >> Like > >> Topic: XYZ Partition 82 Leader: 1 Replicas:1,2,3 Isr:1,2 <- problem > >> Topic: XYZ Partition 83 Leader: 2 Replicas:2,3,4 Isr:3,2,4 > >> Topic: XYZ Partition 84 Leader: 3 Replicas:3,4,5 Isr:3,4,5 > >> > >> How can I fix bring replica 3 in isr for partition 82. > >> > >> Any help is appreciated. > >> > >> Thanks > >> Tarun > >
