[jira] [Updated] (KAFKA-399) 0.7.1 seems to show less performance than 0.7.0

["Dongmin Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongmin Yu updated KAFKA-399:
-----------------------------

    Attachment: dstat.txt
                DirSource.java
    
> 0.7.1 seems to show less performance than 0.7.0
> -----------------------------------------------
>
>                 Key: KAFKA-399
>                 URL: https://issues.apache.org/jira/browse/KAFKA-399
>             Project: Kafka
>          Issue Type: Test
>          Components: core
>    Affects Versions: 0.7, 0.7.1
>            Reporter: Dongmin Yu
>            Priority: Minor
>         Attachments: DirSource.java, dstat.txt
>
>
> On a test, 0.7.1 seems to show less performance than 0.7.0.
> Producer is on a machine A, and Broker is on machine B.
> Machine's spec is
> - 8 core Intel(R) Xeon(R) CPU           E5405  @ 2.00GHz
> - 16G RAM
> Broker's configuration is
> - num.threads=8
> - socket.send.buffer=1048576
> - socket.receive.buffer=1048576
> - max.socket.request.bytes=104857600
> - log.flush.interval=10000
> - log.default.flush.interval.ms=1000
> - log.default.flush.scheduler.interval.ms=1000
> - log.file.size=536870912
> - enable.zookeeper=true
> Attached dstat result and used producer code

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