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From mmo...@apache.org
Subject svn commit: r1465215 - in /incubator/s4/site/doc/0.6.0: fault_tolerance/index.html overview/index.html
Date Sat, 06 Apr 2013 09:50:19 GMT
Author: mmorel
Date: Sat Apr  6 09:50:19 2013
New Revision: 1465215

URL: http://svn.apache.org/r1465215
Log:
highlight checkpointing requirements

Modified:
    incubator/s4/site/doc/0.6.0/fault_tolerance/index.html
    incubator/s4/site/doc/0.6.0/overview/index.html

Modified: incubator/s4/site/doc/0.6.0/fault_tolerance/index.html
URL: http://svn.apache.org/viewvc/incubator/s4/site/doc/0.6.0/fault_tolerance/index.html?rev=1465215&r1=1465214&r2=1465215&view=diff
==============================================================================
--- incubator/s4/site/doc/0.6.0/fault_tolerance/index.html (original)
+++ incubator/s4/site/doc/0.6.0/fault_tolerance/index.html Sat Apr  6 09:50:19 2013
@@ -148,9 +148,15 @@ When a message for a new key arrives in 
 <p>A PE can be checkpointed if:</p>
 
 <ul>
-<li>the PE class provides an empty no-arg constructor (that restriction should be lifted
in next releases)</li>
-  <li>it has non transient serializable fields (and by opposition, transient fields
will never be checkpointed)</li>
+<li>
+<strong>the PE class provides an empty no-arg constructor</strong> (that restriction
should be lifted in next releases)</li>
+  <li>
+<strong>it has non transient serializable fields</strong> (and by opposition,
transient fields will never be checkpointed)</li>
 </ul>
+<blockquote>
+  <p>For example, one must make sure fields of type <code>Stream</code>
(for sending messages downstream) are transient!</p>
+</blockquote>
+
 <h5 id="checkpointing-application-configuration">Checkpointing application configuration</h5>
 
 <p>Checkpointing intervals are defined per prototype, in time intervals or event counts
(for now). This is specified in the application module, using API methods from the ProcessingElement
class, and passing a CheckpointingConfiguration object. Please refer to the API documentation.</p>

Modified: incubator/s4/site/doc/0.6.0/overview/index.html
URL: http://svn.apache.org/viewvc/incubator/s4/site/doc/0.6.0/overview/index.html?rev=1465215&r1=1465214&r2=1465215&view=diff
==============================================================================
--- incubator/s4/site/doc/0.6.0/overview/index.html (original)
+++ incubator/s4/site/doc/0.6.0/overview/index.html Sat Apr  6 09:50:19 2013
@@ -163,6 +163,10 @@
 <p>The following diagram sums-up the key concepts in a hierarchical fashion:</p>
 
 <p><img src="../../../images/doc/0.6.0/S4_hierarchical_archi.png" alt="image"></p>
+
+<h2 id="note">Note</h2>
+
+<p>S4 0.6 works exclusively with TCP</p>
 </div>
     </div>
     <div id="footer">



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