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From "Gordon Sim (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (QPID-6661) [AMQP 1.0] heartbeat anomalies
Date Tue, 28 Jul 2015 10:32:04 GMT

     [ https://issues.apache.org/jira/browse/QPID-6661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Gordon Sim updated QPID-6661:
    Priority: Minor  (was: Major)

> [AMQP 1.0] heartbeat anomalies
> ------------------------------
>                 Key: QPID-6661
>                 URL: https://issues.apache.org/jira/browse/QPID-6661
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker, C++ Client
>    Affects Versions: qpid-cpp-0.34
>            Reporter: Gordon Sim
>            Assignee: Gordon Sim
>            Priority: Minor
>             Fix For: qpid-cpp-next
> 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

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