[jira] [Created] (KAFKA-4618) Enable clients to "re-bootstrap" in the event of a full cluster migration

["Dustin Cote (JIRA)" <ji...@apache.org>]

Dustin Cote created KAFKA-4618:
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             Summary: Enable clients to "re-bootstrap" in the event of a full cluster migration
                 Key: KAFKA-4618
                 URL: https://issues.apache.org/jira/browse/KAFKA-4618
             Project: Kafka
          Issue Type: Improvement
          Components: clients
    Affects Versions: 0.10.1.1
            Reporter: Dustin Cote
            Priority: Minor


Today, clients only bootstrap upon startup. This works well in most cases, but following up on the discussion [here|https://issues.apache.org/jira/browse/KAFKA-3068?focusedCommentId=15115702&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15115702] there are scenarios where you may want to "re-bootstrap" a client on the fly. One example scenario is if you have an active-passive failover cluster setup and a load balancer at the front managing. If you lose all of the brokers in the active cluster and need to immediately failover to the other set of brokers, you would need to re-bootstrap, meaning clients would have to restart. Having the ability to go back through the bootstrapping process with a restart would be a nice improvement.



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