QMF: set TTL on agent heartbeat messages
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Key: QPID-2841
URL: https://issues.apache.org/jira/browse/QPID-2841
Project: Qpid
Issue Type: Improvement
Components: Qpid Managment Framework
Environment: all
Reporter: Ken Giusti
Assignee: Ken Giusti
Heartbeats are issued periodically by QMF agents. Each heartbeat is stateless
- there is no information loss if a heartbeat is dropped or ignored by the
client. While performance testing, it was discovered that multiple heartbeats
will queue up should a console be unable to consume them fast enough. Most of
these heartbeats are stale: the agent has issue a new heartbeat(s) since the
older heartbeat was queued. Processing these "stale" heartbeats is useless.
By setting the TTL in heartbeat messages, stale heartbeats will be discarded by
the broker instead of being sent to the console.
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