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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2013/07/10 22:53:49 UTC

[jira] [Updated] (KAFKA-959) DefaultEventHandler can send more produce requests than necesary

     [ https://issues.apache.org/jira/browse/KAFKA-959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang updated KAFKA-959:
--------------------------------

    Assignee: Guozhang Wang
    
> DefaultEventHandler can send more produce requests than necesary
> ----------------------------------------------------------------
>
>                 Key: KAFKA-959
>                 URL: https://issues.apache.org/jira/browse/KAFKA-959
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>            Assignee: Guozhang Wang
>
> In DefaultEventHandler, for a batch of messages, it picks a random partition per message (when there is no key specified). This means that it can send up to P produce requests where P is the number of partitions in a topic. A better way is probably to pick a single random partition for the whole batch of messages. This will reduce the number of produce requests.

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