Re: Blacklisting Brokers

2014-06-26 Thread Neha Narkhede
Could you file a JIRA for this? We may have to think through this carefully. Black listing should be done in a way that maintains the replication factor of the partition. Un blacklisting would then either increase the replication factor or require carefully removing the replicas on that broker. Th

Re: Blacklisting Brokers

2014-06-26 Thread Lung, Paul
Yes I have seen it elected as the leader. The broker process is still up, but due to some unknown hardware failure, it¹s not working 100%. It is, however, able to participate in the cluster, and got itself elected as the leader. I¹m not sure what the hardware problem is though, since I couldn¹t log

Re: Blacklisting Brokers

2014-06-26 Thread Neha Narkhede
If ssh fails on the broker machine, I'm not why the broker would be in a state where it maintains it's registration in zookeeper? If so, it will automatically be marked dead and will not get elected as the leader. Have you seen a case where such a broker became the leader? Could you elaborate more