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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: KAFKA-2061

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

Motivation

There is no way to know using Kafka version, but version information is important for developing client application, troubleshooting, etc.

Public Interfaces

All of commands which uses kafka-run-class.sh accepts --version and -version to show version information.

Kafka's commands has some options of single-dash (e.g. -daemon) and double-dash (e.g. --topic),
so this changes will make enable accept both option.

Proposed Changes

  • Add new class to show version information.
  • Add code to kafka-run-class.sh to realize version option and run this class.

Please check this Pull Requst for details: https://github.com/apache/kafka/pull/639/files

I added some code to kafka-run-class.sh, since this is make easy to maintain each commands.
Kafka commands have each option parsers, but adding version option to each option parser makes hard to maintain when changing command and adding new one.

Compatibility, Deprecation, and Migration Plan

This proposal adds new option to each commands only, so existing users can use all commands w/o changes.

Rejected Alternatives

none

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