Bug 1261187 - [AMQP 1.0] Fix heartbeat anomalies (backport into MRG 3.2)
[AMQP 1.0] Fix heartbeat anomalies (backport into MRG 3.2)
Product: Red Hat Enterprise MRG
Classification: Red Hat
Component: qpid-cpp (Show other bugs)
Unspecified Unspecified
unspecified Severity high
: 3.2
: ---
Assigned To: Gordon Sim
Petr Matousek
Depends On:
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Reported: 2015-09-08 16:16 EDT by Mike Cressman
Modified: 2015-10-13 09:01 EDT (History)
8 users (show)

See Also:
Fixed In Version: qpid-cpp-0.34-4
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2015-10-13 09:01:00 EDT
Type: Bug
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Apache JIRA QPID-6661 None None None Never

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Description Mike Cressman 2015-09-08 16:16:31 EDT
Description of problem:
The first heartbeat is often sent after the full idle period, whereas subsequent heartbeats are sent twice as frequently. This happens on both broker and client. This is a result of the periodic timer task that triggers the heartbeats being out of sync with the times computed by proton.

Also on the client, occasionally a heartbeat is missed. This is in part due to the issue above, but also occasionally due to timing of incoming heartbeats with respect to the timer task, resulting in proton emitting the heartbeat but it not actually being written to the wire.

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Comment 7 Petr Matousek 2015-09-29 07:46:39 EDT
This issue has been fixed. All the heartbeats respects the given interval (including the first one). Verified on rhel6.7(i386, x86_64) and rhel7.1(x86_64).



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