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Posted to dev@activemq.apache.org by "Brian (JIRA)" <ji...@apache.org> on 2012/07/11 14:26:34 UTC

[jira] [Comment Edited] (AMQNET-391) Add buffered stream in TcpTransport to avoid excessive packet transmision

    [ https://issues.apache.org/jira/browse/AMQNET-391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13411220#comment-13411220 ] 

Brian edited comment on AMQNET-391 at 7/11/12 12:25 PM:
--------------------------------------------------------

Extra packets are still being generated when stream becomes larger than the buffer of BufferedStream. The default buffer size is 4096 bytes so sending a stream greater than 4096 bytes results in 1 or more additional packets compared to when tight encoding is disabled.

If 2 extra packets are generated, the total bytes sent when tight encoding is enabled becomes larger than not using tight encoding.
                
      was (Author: pebrian27):
    Extra packets are still being generated when stream becomes larger than the buffer of BufferedStream. The default buffer size is 4096 bytes so sending a stream greater than 4096 bytes results in 1 or more additional packets compared to when tight encoding is disabled.
                  
> Add buffered stream in TcpTransport to avoid excessive packet transmision
> -------------------------------------------------------------------------
>
>                 Key: AMQNET-391
>                 URL: https://issues.apache.org/jira/browse/AMQNET-391
>             Project: ActiveMQ .Net
>          Issue Type: Improvement
>          Components: ActiveMQ
>    Affects Versions: 1.5.5
>            Reporter: Timothy Bish
>            Assignee: Timothy Bish
>            Priority: Minor
>             Fix For: 1.5.6, 1.6.0
>
>
> Currently the TcpTransport utilizes a raw NetworkStream which is okay when loosmarshalling is enabled and size prefix is turned on but when either of those is not true the marshaling code writes directly to the stream and can result in a lot of small Tcp packets getting transmitted for each message instead of one larger more efficient write.  

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