[jira] [Commented] (KAFKA-7819) Trogdor - Improve RoundTripWorker

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-7819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16798273#comment-16798273 ] 

ASF GitHub Bot commented on KAFKA-7819:
---------------------------------------

cmccabe commented on pull request #6187: KAFKA-7819: Improve RoundTripWorker
URL: https://github.com/apache/kafka/pull/6187
 
 
   
 
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> Trogdor - Improve RoundTripWorker
> ---------------------------------
>
>                 Key: KAFKA-7819
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7819
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Stanislav Kozlovski
>            Assignee: Stanislav Kozlovski
>            Priority: Minor
>
> Trogdor's RoundTripWorker task has a couple of shortcomings:
>  * Consumer GroupID is hardcoded and consumers use `KafkaConsumer#assign()`: [https://github.com/apache/kafka/blob/12947f4f944955240fd14ce8b75fab5464ea6808/tools/src/main/java/org/apache/kafka/trogdor/workload/RoundTripWorker.java#L314]
> Leaving you unable to run two separate instances of this worker on the same partition in the same cluster, as the consumers would overwrite each other's commits. It's probably better to add the task ID to the consumer group
>  * the task spec's `maxMessages` [is an integer|https://github.com/apache/kafka/blob/12947f4f944955240fd14ce8b75fab5464ea6808/tools/src/main/java/org/apache/kafka/trogdor/workload/RoundTripWorkloadSpec.java#L39], leaving you unable to schedule long-winded tasks



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