Thanks! > In fact if you use a "Controlled Shutdown" migrating the replicas and > leaders should happen for you as well.
Just to clarify, controlled shutdown will only move the leaders to other replicas, right? It won’t actually migrate any replicas elsewhere. -Ao > On Aug 4, 2015, at 13:00, Grant Henke <ghe...@cloudera.com> wrote: > > The broker will actually unregister itself from zookeeper. The brokers id > path uses ephemeral nodes so they are automatically destroyed on shutdown. > In fact if you use a "Controlled Shutdown" migrating the replicas and > leaders should happen for you as well. Though, manual reassignment may be > preferred in your case. > > Here is some extra information on controlled shutdowns: > http://kafka.apache.org/documentation.html#basic_ops_restarting > > Thanks, > Grant > > On Thu, Jul 30, 2015 at 4:37 PM, Andrew Otto <ao...@wikimedia.org> wrote: > >> I’m sure this has been asked before, but I can’t seem to find the answer. >> >> I’m planning a Kafka cluster expansion and upgrade to 0.8.2.1. In doing >> so, I will be decommissioning a broker. I plan to remove this broker fully >> from the cluster, and then reinstall it and use it for a different purpose. >> >> I understand how to use the reassign-partitions tool to generate new >> partition assignments and to move partitions around so that the target >> broker no longer has any active replicas. Once that is done, is there >> anything special that needs to happen? I can shutdown the broker, but as >> far as I know that broker will still be registered in Zookeeper. Should I >> just delete the znode for that broker once it has been shut down? >> >> Thanks! >> -Andrew Otto >> >> > > > -- > Grant Henke > Software Engineer | Cloudera > gr...@cloudera.com | twitter.com/gchenke | linkedin.com/in/granthenke
