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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (QPID-4534) Unify client side heartbeat system properties/broker url options
Date Tue, 18 Jun 2013 22:51:20 GMT

     [ https://issues.apache.org/jira/browse/QPID-4534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Keith Wall updated QPID-4534:
-----------------------------

    Fix Version/s:     (was: 0.21)
    
> Unify client side heartbeat system properties/broker url options 
> -----------------------------------------------------------------
>
>                 Key: QPID-4534
>                 URL: https://issues.apache.org/jira/browse/QPID-4534
>             Project: Qpid
>          Issue Type: Improvement
>          Components: Documentation, Java Client
>            Reporter: Keith Wall
>            Assignee: Robbie Gemmell
>         Attachments: 0001-QPID-4534-Unify-client-side-heartbeat-system-propert.patch
>
>
> The heartbeat controls/defaults offered by the 0-10 Java client are different and to
those used by the 0-8..0-9-1.  This has the potential to confuse the end-user and makes clear
documentation more difficult.
> The current situation looks like this:
> The 0-10 codepath defaults heart-beating to enabled with a period of 120s.  It may be
configured on the client side by either:
> * broker url option ?heartbeat=... (value in secs)
> * system properties qpid.heartbeat (value in secs), amqj.heartbeat.delay (secs), idle_timeout
(ms).  The latter two are considered deprecated.
> The 0-8..0-9-1 codepath defaults heart-beating to disabled.    It may be enabled on the
client side using the system property amqj.heartbeat.delay.
> In the Java Broker's implementation of 0-8..0-9-1 allows heartbeating to be enabled from
the server side, by a mechanism where the server proposes a heartbeat value to the client,
and the client can either accept the value or put forward its own.  The client does not understand
the broker url option 'heartbeat' nor the newer system property qpid.heartbeat.
> The Programming in Apache Qpid docbook reflects the 0-10 behaviour and makes no mention
to the differences in the other protocols.
> The intention is to change the code as follows:
> # make both code paths understand the qpid.heartbeat system property.  amqj.heartbeat.delay
will continue to be supported as deprecated.
> # make the broker url option heartbeat=... will be understood by both code paths
> # update docbook
>  

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