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https://issues.apache.org/jira/browse/KAFKA-18637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Divij Vaidya reassigned KAFKA-18637:
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Assignee: Azhar Ahmed
> Dynamic override for max.connections.per.ip is not honored
> ----------------------------------------------------------
>
> Key: KAFKA-18637
> URL: https://issues.apache.org/jira/browse/KAFKA-18637
> Project: Kafka
> Issue Type: Bug
> Components: config
> Affects Versions: 3.6.0
> Reporter: Azhar Ahmed
> Assignee: Azhar Ahmed
> Priority: Major
>
> After dynamically modifying the max.connections.per.ip configuration from
> 1000 to 10000, the update initially worked as expected. However, after
> multiple broker restarts, the value reverted to 1000, leading to numerous
> connection closures.
> This issue occurs because the max.connections.per.ip and
> max.connections.per.ip.override configurations are defined using val. As a
> result, the values set in server.properties are assigned at initialization,
> and the KafkaConfig reference used by SocketServer continues to hold the
> initial static value.
> Client Logs when multiple perf producer clients are started on the same
> machine
> {code:java}
> 2025-01-24 02:17:02,953] WARN [Producer clientId=perf-producer-client]
> Bootstrap broker <Bootstrap broker URL>:9092 (id: -1 rack: null) disconnected
> (org.apache.kafka.clients.NetworkClient)
> [2025-01-24 02:17:04,008] WARN [Producer clientId=perf-producer-client]
> Bootstrap broker <Bootstrap broker URL>:9092 (id: -1 rack: null) disconnected
> (org.apache.kafka.clients.NetworkClient)
> [2025-01-24 02:17:04,912] WARN [Producer clientId=perf-producer-client]
> Bootstrap broker <Bootstrap broker URL>:9092 (id: -1 rack: null) disconnected
> {code}
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