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https://issues.apache.org/jira/browse/KAFKA-200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13179977#comment-13179977
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Jun Rao commented on KAFKA-200:
-------------------------------
John,
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 buffer:
> 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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