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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "HedWig" by ErwinTam
Date Tue, 11 Jan 2011 19:02:20 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The "HedWig" page has been changed by ErwinTam.
http://wiki.apache.org/hadoop/HedWig?action=diff&rev1=19&rev2=20

--------------------------------------------------

  The hedwig project consists of 3 modules:
  
   * [[http://svn.apache.org/viewvc/zookeeper/trunk/src/contrib/hedwig/protocol/src/main/protobuf/PubSubProtocol.proto?view=markup|Protocol]]:
This is a simple module that specifies the client-server protocol used by Hedwig. The protocol
is specified as a [[http://code.google.com/p/protobuf/|Protocol Buffers]] file. Protocol buffers
can generate serialization and deserialization code for us in multiple languages.
-  * [[http://svn.apache.org/viewvc/hadoop/zookeeper/trunk/src/contrib/hedwig/client/src/main/|Client]]:
We support both a c++ and a java client library. The client module obviously depends on the
protocol module.
+  * [[http://svn.apache.org/viewvc/zookeeper/trunk/src/contrib/hedwig/client/src/main/|Client]]:
We support both a c++ and a java client library. The client module obviously depends on the
protocol module.
-  * [[http://svn.apache.org/viewvc/hadoop/zookeeper/trunk/src/contrib/hedwig/server/src/main/|Server]]:
This the major chunk of the system. A server is responsible for certain topics, and accepting
publish and subscribe requests for them. The server uses (and hence depends on) the hedwig
java client to subscribe to topics in other regions.
+  * [[http://svn.apache.org/viewvc/zookeeper/trunk/src/contrib/hedwig/server/src/main/|Server]]:
This the major chunk of the system. A server is responsible for certain topics, and accepting
publish and subscribe requests for them. The server uses (and hence depends on) the hedwig
java client to subscribe to topics in other regions.
  
  Get started by checking out the repository:
  

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