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Posted to dev@kafka.apache.org by "Levani Kokhreidze (Jira)" <ji...@apache.org> on 2020/04/13 13:51:00 UTC

[jira] [Created] (KAFKA-9859) kafka-streams-application-reset tool doesn't take into account topics generated by KTable foreign key join operation

Levani Kokhreidze created KAFKA-9859:
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             Summary: kafka-streams-application-reset tool doesn't take into account topics generated by KTable foreign key join operation
                 Key: KAFKA-9859
                 URL: https://issues.apache.org/jira/browse/KAFKA-9859
             Project: Kafka
          Issue Type: Bug
            Reporter: Levani Kokhreidze


Steps to reproduce:
 * Create Kafka Streams application which uses foreign key join operation
 * Stop Kafka streams application
 * Perform `kafka-topics-list` and verify that foreign key operation internal topics are generated
 * Use `kafka-streams-application-reset` to perform the cleanup of your kafka streams application: `kafka-streams-application-reset --application-id <your_app_id> --input-topics <your_input_topic> --bootstrap-servers <your_bootstrap_server> --to-datetime 2019-04-13T00:00:00.000`
 * Perform `kafka-topics-list` again, you'll see that topics generated by the foreign key operation are still there.

`kafka-streams-application-reset` uses `repartition` and `changelog` suffixes to determine which topics needs to be deleted, as a result topics generated by the foreign key are ignored.



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