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Posted to dev@kafka.apache.org by "Manikumar (JIRA)" <ji...@apache.org> on 2017/09/07 18:32:01 UTC

[jira] [Resolved] (KAFKA-1563) High packet rate between brokers in kafka cluster.

     [ https://issues.apache.org/jira/browse/KAFKA-1563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manikumar resolved KAFKA-1563.
------------------------------
    Resolution: Cannot Reproduce

 Pl reopen if you think the issue still exists


> High packet rate between brokers in kafka cluster.
> --------------------------------------------------
>
>                 Key: KAFKA-1563
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1563
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 0.8.1.1
>            Reporter: Fedor Korotkiy
>
> On our kafka cluster with 3 brokers and input 40MB/s we see about 100K packets/s traffic between brokers(not including consumers). Majority of packets have small size(about 20bytes of data).
> I have found that kafka server sets TcpNoDelay option on all sockets. https://github.com/apache/kafka/blob/0.8.1/core/src/main/scala/kafka/network/SocketServer.scala#L202
> And I think that causes the issue.
> Can you please explain current behavior and fix it/make it configurable?



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