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https://issues.apache.org/jira/browse/ARTEMIS-362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15118080#comment-15118080
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ASF subversion and git services commented on ARTEMIS-362:
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Commit cc4d24cfbb0024af73592e2ed3e76e9d5add9494 in activemq-artemis's branch
refs/heads/master from [~lachezar]
[ https://git-wip-us.apache.org/repos/asf?p=activemq-artemis.git;h=cc4d24c ]
ARTEMIS-362 Broadcast only filled buffer content.
When publishing server connectors to other cluster members the whole buffer is
sent.
This fixes ARTEMIS-362 by extracting the filled part of the buffer for
broadcasting.
Added test case that checks that packet size does not exceed 1500 bytes with
one connector.
> 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
> 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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