Any thoughts on this? On Mon, Feb 22, 2016 at 1:24 PM, Raju Bairishetti <raju....@gmail.com> wrote:
> > > On Mon, Feb 22, 2016 at 1:13 PM, Salman Ahmed <ahmed.sal...@gmail.com> > wrote: > >> We saw a similar issue a while back. If leader is -1, I believe you won't >> have ingestion work for that partition. Was there any data ingestion dip? >> > > > *No, I am not seeing any data dip for topic but no data for that > partition whose leader was set to -1.* > > On Sun, Feb 21, 2016 at 7:44 PM Raju Bairishetti <r...@apache.org> wrote: >> >> > Hello, >> > We are using 0.8.2 kafka version. We are running 5 brokers in the >> prod >> > cluster. Each topic is having two partitions. We are seeing some issues >> > with some topic partitions. >> > >> > For some topic partitions leader was set to -1. I am not seeing any >> errors >> > in the controller and server logs. After server restart leader was set >> to >> > some topic partitions. Will it be a data loss of that topic partition. >> > Looks like, there is no data loss according to my application metrics >> but I >> > do not have any server logs to prove it from kafka side. >> > >> > *kafka-topics --zookeeper localhost:2181 --describe --topic click_json* >> > >> > Topic: click_json PartitionCount:2 ReplicationFactor:3 >> > Configs:retention.bytes=42949672960 >> > >> > Topic: click_json Partition: 0 Leader: 4 Replicas: 4,5,1 Isr: 4,1,5 >> > >> > Topic: click_json *Partition: 1 Leader: -1 *Replicas: 5,1,2 *Isr: * >> > >> > >> > *Why leader was set to -1?* >> > >> > *What is the impact in case if leader was set to -1?* >> > >> > *How to recover from this error? Which option would be better --> >> Restart >> > of broker or choosing leader by running prefer leader election script? >> > >> > >> > FYI, we have set unclean.leader.election.enable to false on 3 machines >> and >> > unclean.leader.election.enable to true on 2 machines. >> > >> > >> > Thanks in advance!!! >> > >> > ------ >> > Thanks, >> > Raju Bairishetti, >> > www.lazada.com >> > >> > > > > -- > Thanks, > Raju Bairishetti, > > www.lazada.com > > > -- Thanks, Raju Bairishetti, www.lazada.com
