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From "Lachezar Dobrev (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ARTEMIS-362) BroadcastGroupImpl sends datagrams big datagrams full of zero bytes
Date Wed, 27 Jan 2016 10:17:39 GMT

     [ https://issues.apache.org/jira/browse/ARTEMIS-362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lachezar Dobrev resolved ARTEMIS-362.
-------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.3.0

Proposed change has been merged into the source tree.

> BroadcastGroupImpl sends datagrams big datagrams full of zero bytes
> -------------------------------------------------------------------
>
>                 Key: ARTEMIS-362
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-362
>             Project: ActiveMQ Artemis
>          Issue Type: Bug
>    Affects Versions: 1.0.0, 1.1.0, 1.2.0, 1.3.0
>         Environment: OS: Linux
> JVM: Oracle or OpenJDK, 1.7 or 1.8 
>            Reporter: Lachezar Dobrev
>              Labels: newbie, patch, test
>             Fix For: 1.3.0
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> The BroadcastGroupImpl uses improper buffer handling to generate packages for broadcasting
to a cluster. This results in sending 4096 byte packages (the size of the buffer) full of
zero bytes with only about 250-300 bytes actual payload.
> This incurs needless weight on any underlying network equipment.
> This also may result in loss of service as large packages may be silently discarded.



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