Hi team,

I was trying to migrate my consumer offset from kafka to zookeeper.

Here is the original settings of my consumer

props.put("offsets.storage", "kafka");

props.put("dual.commit.enabled", "false");
Here is the steps

1. set dual.commit.enabled=true
2. restart my consumer and monitor offset lag with
kafka.tools.ConsumerOffsetChecker
3. set offsets.storage=zookeeper
4. restart my consumer and monitor offset lag with
kafka.tools.ConsumerOffsetChecker

After step 4 my consumer was able to continually consume data from topic
but the offset lag remained unchanged. Did I do anything wrong?

-- 
Regards,
Tao

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