Liju created KAFKA-4918:
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Summary: Continuous fetch requests for offset storage topic in
kafka connect
Key: KAFKA-4918
URL: https://issues.apache.org/jira/browse/KAFKA-4918
Project: Kafka
Issue Type: Improvement
Components: KafkaConnect
Affects Versions: 0.10.2.0, 0.10.1.1, 0.10.1.0
Environment: unix, osx
Reporter: Liju
The kafka consumer in the KafkaOffsetBackingStore polls continuously with
timeout hardcoded as 0 ms , this leads to high fetch request load to kafka
server , and specifically for the sink connectors ( eg. kafka-connect-hdfs)
which doesn't uses the offset storage topic for offset tracking , this becomes
redundant and it continuously sends fetch request as there is no data in this
topic
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