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From conflue...@apache.org
Subject [CONF] Apache CXF Documentation > Generic Tracing component
Date Mon, 28 Feb 2011 10:35:00 GMT
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    <h2><a href="https://cwiki.apache.org/confluence/display/CXF20DOC/Generic+Tracing+component">Generic
Tracing component</a></h2>
    <h4>Page <b>edited</b> by             <a href="https://cwiki.apache.org/confluence/display/~christian%2Bschneider">Christian
Schneider</a>
    </h4>
        <br/>
                         <h4>Changes (2)</h4>
                                 
    
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            <tr><td class="diff-snipped" >...<br></td></tr>
            <tr><td class="diff-unchanged" >- Support for correlation of request
and responses <br>The tracing component should support correlation ids for exchanges
so request and response messages can later be combined again <br></td></tr>
            <tr><td class="diff-added-lines" style="background-color: #dfd;">-
Support for flow id <br>The tracing should support a flow id that is created at a client
side of the execution flow and that also allows tracking of the execution over intermediaries
or when a service calls other services <br></td></tr>
            <tr><td class="diff-unchanged" > <br> <br></td></tr>
            <tr><td class="diff-snipped" >...<br></td></tr>
            <tr><td class="diff-unchanged" > <br>{gliffy:name=Tracing Component|align=left|size=L|version=1}
<br></td></tr>
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<br>{gliffy:name=Design Flow id|align=left|size=L|version=1} <br></td></tr>
    
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    </div>                            <h4>Full Content</h4>
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        <h1><a name="GenericTracingcomponent-GenericTracingcomponent"></a>Generic
Tracing component</h1>

<p>The goal is to build a generic tracing and logging component with the following features</p>

<h2><a name="GenericTracingcomponent-Features"></a>Features</h2>

<ul class="alternate" type="square">
	<li>Asnychronous logging<br/>
The logging should be decoupled from the normal message flow so performance is not degraded
too much</li>
	<li>Persistent buffering<br/>
To achieve decoupling for larger messages it should be possible to store larger messages on
disk before they are send to the real tracing destination</li>
	<li>SPI for further processing of the message<br/>
There should be a well defined interface for the further processing of the traced messages
so it is for example possible to attach a remote logging server or a central monitoring system</li>
	<li>Support for correlation of request and responses<br/>
The tracing component should support correlation ids for exchanges so request and response
messages can later be combined again</li>
	<li>Support for flow id<br/>
The tracing should support a flow id that is created at a client side of the execution flow
and that also allows tracking of the execution over intermediaries or when a service calls
other services</li>
</ul>



<h2><a name="GenericTracingcomponent-Design"></a>Design</h2>



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                                                          src="/confluence/download/attachments/25202745/Tracing+Component.png?version=1&amp;modificationDate=1298373725000"
                             alt="A&amp;#32;Gliffy&amp;#32;Diagram&amp;#32;named&amp;#58;&amp;#32;Tracing&amp;#32;Component"/>
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                <strong>name:</strong> Design Flow id <br>
                <strong>version:</strong> 1 <br>
                <strong>pageName:</strong>  <br>
                <strong>pageId:</strong> 25202745 <br>
                <strong>spaceKey:</strong>  <br/>
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id&ceoid=25202745&key=&pageId=25202745">Create Diagram</a>
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