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Posted to dev@kafka.apache.org by "Eno Thereska (JIRA)" <ji...@apache.org> on 2017/02/15 13:02:41 UTC

[jira] [Work started] (KAFKA-4752) Streams Simple Benchmark MB/sec calculation is not correct for Join operations

     [ https://issues.apache.org/jira/browse/KAFKA-4752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on KAFKA-4752 started by Eno Thereska.
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> Streams Simple Benchmark MB/sec calculation is not correct for Join operations
> ------------------------------------------------------------------------------
>
>                 Key: KAFKA-4752
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4752
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 0.10.3.0
>            Reporter: Damian Guy
>            Assignee: Eno Thereska
>            Priority: Minor
>             Fix For: 0.10.3.0
>
>
> When benchmarking join operations via the {{SimpleBenchmark}} we produce 2 * {{numRecords}}, i.e, {{numRecords}} to topic1 and {{numRecords}} to topic2.
> The {{CountDownLatch}} in the {{foreach}} keeps processing until it has received {{numRecords}}. As this is the {{numRecords}} produced from the join, the size of each record will either be {{VALUE_SIZE}} or {{2 * VALUE_SIZE}}. The MB/s calculation doesn't take this into account.



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