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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