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https://issues.apache.org/jira/browse/KAFKA-16160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kirk True updated KAFKA-16160:
------------------------------
    Summary: AsyncKafkaConsumer is trying to connect to a disconnected node in 
a tight loop  (was: AsyncKafkaConsumer is trying to connect to a disconnected 
note in a tight loop)

> AsyncKafkaConsumer is trying to connect to a disconnected node in a tight loop
> ------------------------------------------------------------------------------
>
>                 Key: KAFKA-16160
>                 URL: https://issues.apache.org/jira/browse/KAFKA-16160
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: consumer
>            Reporter: Philip Nee
>            Priority: Major
>              Labels: consumer-threading-refactor
>
> Observing some excessive logging running AsyncKafkaConsumer and observing 
> excessive logging of :
> {code:java}
> 1271 [2024-01-15 09:43:36,627] DEBUG [Consumer clientId=console-consumer, 
> groupId=concurrent_consumer] Node is not ready, handle the request in the 
> next event loop: node=worker4:9092 (id: 2147483644 rack: null), 
> request=UnsentRequest{requestBuil     
> der=ConsumerGroupHeartbeatRequestData(groupId='concurrent_consumer', 
> memberId='laIqS789StuhXFpTwjh6hA', memberEpoch=1, instanceId=null, 
> rackId=null, rebalanceTimeoutMs=300000, subscribedTopicNames=[output-topic], 
> serverAssignor=null, topicP     
> artitions=[TopicPartitions(topicId=I5P5lIXvR1Cjc8hfoJg5bg, partitions=[0])]), 
> handler=org.apache.kafka.clients.consumer.internals.NetworkClientDelegate$FutureCompletionHandler@918925b,
>  node=Optional[worker4:9092 (id: 2147483644 rack: null)]     , 
> timer=org.apache.kafka.common.utils.Timer@55ed4733} 
> (org.apache.kafka.clients.consumer.internals.NetworkClientDelegate) {code}
> This seems to be triggered by a tight poll loop of the network thread.  The 
> right thing to do is to backoff a bit for that given node and retry later.
> This should be a blocker for 3.8 release.



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