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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "EclipsePlugIn" by DanielSilva
Date Wed, 02 Jul 2008 19:45:38 GMT
Dear Wiki user,

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The following page has been changed by DanielSilva:
http://wiki.apache.org/hadoop/EclipsePlugIn

The comment on the change is:
Preventing client proxies from overriding daemon proxy settings

------------------------------------------------------------------------------
  
  == How to use SOCKS proxies ==
  
- To do.
+ To set up a local proxy through an ssh server PROXY at port 21080, for example:
+ {{{
+   ssh -D 21080 PROXY
+ }}}
+ 
+ Note that when using a SOCKS proxy in a local client like the Eclipse plugin, you should
ensure that your Hadoop cluster does not inherit your proxy settings, or the Hadoop daemons
won't be able to communicate with each other.  To override proxy settings in the Hadoop nodes,
add the following property setting to each node's hadoop-site.xml:
+ 
+ {{{
+ <property>
+     <name>hadoop.rpc.socket.factory.class.default</name>
+     <value>org.apache.hadoop.net.StandardSocketFactory</value>
+     <final>true</final>
+ </property>
+ }}}
+ 
+ The standard socket factory produces RPC sockets with direct connections (ie, without going
through any proxies), and the "final" attribute prevents your job configuration from overriding
this property's value.
  
  == How to build and install the plug-in ==
  

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