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https://issues.apache.org/jira/browse/KAFKA-16163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17808336#comment-17808336
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Mickael Maison commented on KAFKA-16163:
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It looks like this behavior was introduced in
https://github.com/apache/kafka/commit/37416e1aebae33d01d5059ba906ec8e0e1107284
> Constant resignation/reelection of controller when starting a single node in
> combined mode
> ------------------------------------------------------------------------------------------
>
> Key: KAFKA-16163
> URL: https://issues.apache.org/jira/browse/KAFKA-16163
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 3.7.0
> Reporter: Mickael Maison
> Priority: Major
>
> When starting a single node in combined mode:
> {noformat}
> $ KAFKA_CLUSTER_ID="$(bin/kafka-storage.sh random-uuid)"
> $ bin/kafka-storage.sh format -t $KAFKA_CLUSTER_ID -c
> config/kraft/server.properties
> $ bin/kafka-server-start.sh config/kraft/server.properties{noformat}
>
> it's constantly spamming the logs with:
> {noformat}
> [2024-01-18 17:37:09,065] INFO
> [broker-1-to-controller-heartbeat-channel-manager]: Recorded new controller,
> from now on will use node localhost:9093 (id: 1 rack: null)
> (kafka.server.NodeToControllerRequestThread)
> [2024-01-18 17:37:11,967] INFO [RaftManager id=1] Did not receive fetch
> request from the majority of the voters within 3000ms. Current fetched voters
> are []. (org.apache.kafka.raft.LeaderState)
> [2024-01-18 17:37:11,967] INFO [RaftManager id=1] Completed transition to
> ResignedState(localId=1, epoch=138, voters=[1], electionTimeoutMs=1864,
> unackedVoters=[], preferredSuccessors=[]) from Leader(localId=1, epoch=138,
> epochStartOffset=829, highWatermark=Optional[LogOffsetMetadata(offset=835,
> metadata=Optional[(segmentBaseOffset=0,relativePositionInSegment=62788)])],
> voterStates={1=ReplicaState(nodeId=1,
> endOffset=Optional[LogOffsetMetadata(offset=835,
> metadata=Optional[(segmentBaseOffset=0,relativePositionInSegment=62788)])],
> lastFetchTimestamp=-1, lastCaughtUpTimestamp=-1,
> hasAcknowledgedLeader=true)}) (org.apache.kafka.raft.QuorumState)
> [2024-01-18 17:37:13,072] INFO [NodeToControllerChannelManager id=1
> name=heartbeat] Client requested disconnect from node 1
> (org.apache.kafka.clients.NetworkClient)
> [2024-01-18 17:37:13,072] INFO
> [broker-1-to-controller-heartbeat-channel-manager]: Recorded new controller,
> from now on will use node localhost:9093 (id: 1 rack: null)
> (kafka.server.NodeToControllerRequestThread)
> [2024-01-18 17:37:13,123] INFO
> [broker-1-to-controller-heartbeat-channel-manager]: Recorded new controller,
> from now on will use node localhost:9093 (id: 1 rack: null)
> (kafka.server.NodeToControllerRequestThread)
> [2024-01-18 17:37:13,124] INFO [NodeToControllerChannelManager id=1
> name=heartbeat] Client requested disconnect from node 1
> (org.apache.kafka.clients.NetworkClient)
> [2024-01-18 17:37:13,124] INFO
> [broker-1-to-controller-heartbeat-channel-manager]: Recorded new controller,
> from now on will use node localhost:9093 (id: 1 rack: null)
> (kafka.server.NodeToControllerRequestThread)
> [2024-01-18 17:37:13,175] INFO
> [broker-1-to-controller-heartbeat-channel-manager]: Recorded new controller,
> from now on will use node localhost:9093 (id: 1 rack: null)
> (kafka.server.NodeToControllerRequestThread)
> [2024-01-18 17:37:13,176] INFO [NodeToControllerChannelManager id=1
> name=heartbeat] Client requested disconnect from node 1
> (org.apache.kafka.clients.NetworkClient)
> [2024-01-18 17:37:13,176] INFO
> [broker-1-to-controller-heartbeat-channel-manager]: Recorded new controller,
> from now on will use node localhost:9093 (id: 1 rack: null)
> (kafka.server.NodeToControllerRequestThread)
> [2024-01-18 17:37:13,227] INFO
> [broker-1-to-controller-heartbeat-channel-manager]: Recorded new controller,
> from now on will use node localhost:9093 (id: 1 rack: null)
> (kafka.server.NodeToControllerRequestThread)
> [2024-01-18 17:37:13,229] INFO [NodeToControllerChannelManager id=1
> name=heartbeat] Client requested disconnect from node 1
> (org.apache.kafka.clients.NetworkClient)
> [2024-01-18 17:37:13,229] INFO
> [broker-1-to-controller-heartbeat-channel-manager]: Recorded new controller,
> from now on will use node localhost:9093 (id: 1 rack: null)
> (kafka.server.NodeToControllerRequestThread)
> [2024-01-18 17:37:13,279] INFO
> [broker-1-to-controller-heartbeat-channel-manager]: Recorded new controller,
> from now on will use node localhost:9093 (id: 1 rack: null)
> (kafka.server.NodeToControllerRequestThread){noformat}
> This did not happen in 3.6.
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