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https://issues.apache.org/jira/browse/KAFKA-14996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17724307#comment-17724307
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Edoardo Comar edited comment on KAFKA-14996 at 5/19/23 2:55 PM:
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given that this means a client request can cause a cluster to become
unavailable, I'd raise the Priority to critical
this is a potential denial of service attack
cc
[~mimaison] [~ijuma] [[email protected]]
was (Author: ecomar):
given that this means a client request can cause a cluster to become
unavailable, I'd raise the Priority to critical
> CreateTopic falis with UnknownServerException if num partitions >=
> QuorumController.MAX_RECORDS_PER_BATCH
> ----------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-14996
> URL: https://issues.apache.org/jira/browse/KAFKA-14996
> Project: Kafka
> Issue Type: Bug
> Components: controller
> Reporter: Edoardo Comar
> Assignee: Edoardo Comar
> Priority: Critical
>
> If an attempt is made to create a topic with
> num partitions >= QuorumController.MAX_RECORDS_PER_BATCH (10000)
> the client receives an UnknownServerException - it could rather receive a
> better error.
> The controller logs
> {{2023-05-12 19:25:10,018] WARN [QuorumController id=1] createTopics: failed
> with unknown server exception IllegalStateException at epoch 2 in 21956 us.
> Renouncing leadership and reverting to the last committed offset 174.
> (org.apache.kafka.controller.QuorumController)}}
> {{java.lang.IllegalStateException: Attempted to atomically commit 10001
> records, but maxRecordsPerBatch is 10000}}
> {{ at
> org.apache.kafka.controller.QuorumController.appendRecords(QuorumController.java:812)}}
> {{ at
> org.apache.kafka.controller.QuorumController$ControllerWriteEvent.run(QuorumController.java:719)}}
> {{ at
> org.apache.kafka.queue.KafkaEventQueue$EventContext.run(KafkaEventQueue.java:127)}}
> {{ at
> org.apache.kafka.queue.KafkaEventQueue$EventHandler.handleEvents(KafkaEventQueue.java:210)}}
> {{ at
> org.apache.kafka.queue.KafkaEventQueue$EventHandler.run(KafkaEventQueue.java:181)}}
> {{ at java.base/java.lang.Thread.run(Thread.java:829)}}
> {{[}}
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