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From conflue...@apache.org
Subject [CONF] Apache Qpid > New Page
Date Thu, 20 Aug 2009 09:30:00 GMT
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     <h2><a href="http://cwiki.apache.org/confluence/display/qpid/New+Page">New
     <h4>Page <b>edited</b> by             <a href="http://cwiki.apache.org/confluence/display/~ritchiem">Martin
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         <h2><a name="NewPage-Purpose"></a>Purpose</h2>

<p>This page is intended to outline the known use cases for running multiple Java Brokers,
addressing logged issues and limitations of the current implementation (as of V0.5). It is
<b>not</b> about clustering proper.</p>

<h2><a name="NewPage-UseCases"></a>Use Cases</h2>

<h3><a name="NewPage-HighVolumeTransientBroker"></a>High Volume Transient

The key characteristics of this application scenario are:</p>
	<li>Broker availability is key</li>
	<li>Traffic is pub-sub</li>
	<li>Message Order is not important</li>

<p>Currently, for applications with a high residual message load i.e. where message
data on the broker remains in memory for some time or consumption lags production such that
a backlog is constantly present in the broker queues.</p>

<p>This paradigm is reasonably common, partly because publication threads are generally
handling only the simple publish call where we often see consumption threads handling writes
to RDBMS or other time expensive processing. Thus a rate gap opens up, and creates a data


<p><b>Possible Solution</b></p>

<h3><a name="NewPage-LowVolumePersistentBroker"></a>Low Volume Persistent



<p><b>Possible Solution</b></p>

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