Current state: Accepted
Discussion thread: here
Voting thread: here
Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).
To add an option dry-run in streams reset tool. This option provides information to users to display the actions which will be performed like what topics will be deleted/modified and for which all topic reset of offsets will happen. This option provides a clear information to the user about what all actions will be performed, it will not perform any actions.
For streams reset tool, to add a new option dry-run.
dryRunOption = optionParser.accepts("dry-run", "Option to indicate to run streams reset tool to display actions it will perform");
Kafka Streams reset tool will have new option dry-run. After adding this option, when used with dry-run output looks as below.
bin/kafka-streams-application-reset.sh --application-id streams-wordcount --input-topics streams-file-input,streams1 --dry-run ----Dry run to display the actions which will be performed when running Streams Reset Tool---- Following input topics offsets will be reset to beginning (for consumer group streams-wordcount) Topic - streams-file-input Following internal topics offsets will be reset to beginning (for consumer group streams-wordcount) Topic - streams-wordcount-Counts-repartition Topic - streams-wordcount-Counts-changelog Following internal topics will be deleted Topic - streams-wordcount-Counts-repartition Topic - streams-wordcount-Counts-changelog Following input topics are not found, will skip them Topic – streams1
Compatibility, Deprecation, and Migration Plan
- This is purely an addition of an option to kafka-streams-application-reset.sh. It will not cause any compatibility issues.
As it is adding a new option, and providing information to the user before performing actual actions. With out this option, the user can know what is happening from the description of streams reset tool description.