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From "Jun Rao (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-200) Support configurable send / receive socket buffer size in server
Date Wed, 04 Jan 2012 23:21:39 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13179977#comment-13179977

Jun Rao commented on KAFKA-200:


Thanks for the detailed update. From TCP illustrated section 13.3.3, last paragraph: "The
shift count is automatically chosen by TCP, based on the size of the receive buffer." So,
to set a TCP window size larger than 64K, we just need to make sure the receive buffer size
is set properly before the connection is established. So, Approach 3 as you listed is the
right thing to do. Could you upload a new patch?
> Support configurable send / receive socket buffer size in server
> ----------------------------------------------------------------
>                 Key: KAFKA-200
>                 URL: https://issues.apache.org/jira/browse/KAFKA-200
>             Project: Kafka
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 0.7
>            Reporter: John Fung
>             Fix For: 0.8
>         Attachments: KAFKA-200.patch
> * Make the send / receive socket buffer size configurable in server.
> * KafkaConfig.scala already has the following existing variables to support send / receive
>     socketSendBuffer
>     socketReceiveBuffer
> * The patch attached to this ticket will read the following existing settings in <kafka>/config/server.properties
and set the corresponding socket buffers
>     . . .
>     # The send buffer (SO_SNDBUF) used by the socket server
>     socket.send.buffer=1048576
>     # The receive buffer (SO_RCVBUF) used by the socket server
>     socket.receive.buffer=1048576

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