[jira] [Resolved] (KAFKA-13755) Broker heartbeat event should have deadline

["Colin McCabe (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-13755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Colin McCabe resolved KAFKA-13755.
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    Fix Version/s: 3.3
         Assignee: Colin McCabe
       Resolution: Fixed

We now use {{config.brokerHeartbeatIntervalMs}} as the deadline

It should be a good improvement for clusters under load

> Broker heartbeat event should have deadline
> -------------------------------------------
>
>                 Key: KAFKA-13755
>                 URL: https://issues.apache.org/jira/browse/KAFKA-13755
>             Project: Kafka
>          Issue Type: Bug
>          Components: controller
>            Reporter: David Arthur
>            Assignee: Colin McCabe
>            Priority: Minor
>              Labels: kip-500
>             Fix For: 3.3
>
>
> When we schedule the event for processing the broker heartbeat request in QuroumController, we do not give a deadline. This means that the event will only be processed after all other events which do have a deadline. In the case of the controller's queue getting filled up with deadline (i.e., "deferred") events, we may not process the heartbeat before the broker attempts to send another one.
>  
>  



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