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https://issues.apache.org/jira/browse/KAFKA-3815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Randall Hauch updated KAFKA-3815:
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Summary: Support command line arguments in Kafka Connect distributed worker
(was: Support command line arguments in Kafka Connect distribute worker)
> Support command line arguments in Kafka Connect distributed worker
> ------------------------------------------------------------------
>
> Key: KAFKA-3815
> URL: https://issues.apache.org/jira/browse/KAFKA-3815
> Project: Kafka
> Issue Type: Improvement
> Components: KafkaConnect
> Affects Versions: 0.9.0.1
> Reporter: Randall Hauch
> Assignee: Ewen Cheslack-Postava
>
> Change the Kafka Connect distribute worker so that one connector could be
> configured via the command line. This would make it much easier to define
> immutable containers (e.g., Docker, Kubernetes), where each container runs a
> single distributed worker with a single configured connector. A "force" flag
> might specify whether any existing configuration could be overwritten by the
> configuration passed via the command line.
> In fact, distributed environments that run immutable containers, especially
> Kubernetes and OpenShift, would benefit greatly from being able to run each
> Kafka Connect connector in one or more containers that are configured exactly
> the same way and running as a single Kafka Connect group. Because the Kafka
> Connect group has only a single configured connector, the group experiences
> no unnecessary rebalances that would normally occur in other topologies with
> multiple connectors deployed to one Kafka Connect group.
> Ideally, the distributed worker could also be run in read-only mode so that
> the connector configuration cannot be changed via the REST API. This would
> only help to reinforce the connector as being immutable.
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