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From "Manikumar (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (KAFKA-1563) High packet rate between brokers in kafka cluster.
Date Thu, 07 Sep 2017 18:32:01 GMT

     [ 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:
>            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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