[jira] [Created] (KAFKA-6314) Add a tool to delete consumer offsets for a given group

["Tom Scott (JIRA)" <ji...@apache.org>]

Tom Scott created KAFKA-6314:
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             Summary: Add a tool to delete consumer offsets for a given group
                 Key: KAFKA-6314
                 URL: https://issues.apache.org/jira/browse/KAFKA-6314
             Project: Kafka
          Issue Type: New Feature
          Components: consumer, core, tools
            Reporter: Tom Scott
            Priority: Minor


Add a tool to delete consumer offsets for a given group similar to the reset tool. It could look something like this:

kafka-consumer-groups --bootstrap-server localhost:9092 --delete-offsets --group somegroup

The case for this is as follows:

1. Consumer group with id: group1 subscribes to topic1
2. The group is stopped 
3. The subscription changed to topic2 but the id is kept as group1

Now the out output of kafka-consumer-groups --describe for the group will show topic1 even though the group is not subscribed to that topic. This is bad for monitoring as it will show lag on topic1.








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