Ron Dagostino created KAFKA-10418:
-------------------------------------
Summary: Unclear deprecation of altering topic configs via
kafka-topics with --bootstrap-server
Key: KAFKA-10418
URL: https://issues.apache.org/jira/browse/KAFKA-10418
Project: Kafka
Issue Type: Improvement
Reporter: Ron Dagostino
Assignee: Ron Dagostino
Fix For: 2.7.0
Changing a topic config with the kafka-topics command while connecting to Kafka
via --bootstrap-server (rather than connecting to ZooKeeper via --zookeeper)
has been deprecated. The desired functionality is available elsewhere: it is
possible to change a topic config while connecting to Kafka rather than
ZooKeeper via the kafka-configs command instead. However, neither the
kafka-topics error message received nor the kafka-topics help information
itself indicates this other possibility. For example:
{{$ kafka-topics.sh --bootstrap-server localhost:9092 --alter --topic test
--config flush.messages=12345
Option combination "[bootstrap-server],[config]" can't be used with option
"[alter]"
}}
{{$ kafka-topics.sh
...
--config <String: name=value> A topic configuration override for the
topic being created or altered...It is supported only in combination with --
create if --bootstrap-server option is used.
}}
Rather than simply saying that what you want to do isn't available, it would be
better to say also that you can do it with the kafka-configs command.
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