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Status

Current state: "Under Discussion"

Discussion thread: here [Change the link from the KIP proposal email archive to your own email thread]

JIRA: here [Change the link from KAFKA-1 to your own ticket]

Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).

Motivation

In kafka-topic.sh, we expect to use --if-exists to ensure that the topic to create or change exists. Similarly, we expect to use --if-not-exists to ensure that the topic to create or change does not exist. Currently, only ZookeeperTopicService supports these two options and we want to introduce them to AdminClientTopicService.

Public Interfaces

kafka-topic.sh:

The topic command will accept either --if-exist or --if-not-exist option together with --bootstrap-server option.

Proposed Changes

Implement the logic in AdminClientTopicService like what ZookeeperTopicService has.

Add support to ensure the topic exists in:

• alterTopic()
• describeTopic()
• deleteTopic()

Add support to ensure the topic does not exist in:

• createTopic()

Rejected Alternatives