zou shengfu created KAFKA-12169:
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Summary: Consumer can not know paritions chage when client leader
restart with static membership protocol
Key: KAFKA-12169
URL: https://issues.apache.org/jira/browse/KAFKA-12169
Project: Kafka
Issue Type: Bug
Components: consumer
Affects Versions: 2.6.1, 2.5.1
Reporter: zou shengfu
Background:
Kafka consumer services run on kubernetes, and services often restart because
of operation. When we added partitions from 1000 to 2000 for the topic, client
leader restart with unknown member id at the same time, we found the consumers
do not tigger rebalance and still consume 1000 paritions
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