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.
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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
Priority: Critical
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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