[jira] [Created] (KAFKA-3084) Topic existence checks in topic commands (create, alter, delete)

[Grant Henke (JIRA)]

Grant Henke created KAFKA-3084:
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             Summary: Topic existence checks in topic commands (create, alter, 
delete)
                 Key: KAFKA-3084
                 URL: https://issues.apache.org/jira/browse/KAFKA-3084
             Project: Kafka
          Issue Type: Improvement
            Reporter: Grant Henke
            Assignee: Grant Henke


In Kafka 0.9.0 error codes were added to the topic commands. However, often 
users only want to perform an action based on the existence of a topic. And 
they don't want to error if the topic does or does not exist.

Adding if-exists option for the topic delete and alter commands and 
if-not-exists for the create command allows users to build scripts that can 
handle this expected state without error codes.



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