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https://issues.apache.org/activemq/browse/AMQ-2088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=56111#action_56111
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Hiram Chirino commented on AMQ-2088:
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I think a better approach would be for the wireformat to expose a counter which
is incremented as data is read.
That way between inactivity check intervals the inactivity monitor can check to
see if that value has changed since it's last check.
> Change the InactivityMonitor to clear its flag as soon as a few bytes are
> received on a connection rather than only after an entire message has been
> assembled.
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AMQ-2088
> URL: https://issues.apache.org/activemq/browse/AMQ-2088
> Project: ActiveMQ
> Issue Type: Improvement
> Components: Transport
> Affects Versions: 5.1.0
> Reporter: Torsten Mielke
> Assignee: Dejan Bosanac
> Priority: Critical
> Fix For: 5.3.0
>
>
> On slow connections with larger messages to be exchanged, the inactivity
> monitor might kick in, drop the network connection and re-establish it again.
> This prevents two brokers from exchanging larger messages on a slow
> connection as the transmission always gets interrupted.
> See the discussion of this on
> http://activemq.apache.org/slow-networks-drop-large-messages.html.
> The problem is that the InactivityMonitor always waits for a complete message
> to be assembled on an active connection before clearing its internal flag.
> I propose to change the behavior of the InactivityMonitor so that it clears
> its flag already when a few bytes were received on a network connection
> rather than waiting for the entire message to be sent. This should work
> around the problem of connections being dropped and re-established
> periodically when receiving large messages.
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