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The "FAQ" page has been changed by SteveLoughran.
http://wiki.apache.org/hadoop/FAQ?action=diff&rev1=69&rev2=70

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  '''2. [[#2|What platform does Hadoop run on?]]'''
  
-   1. Java 1.6.x or higher, preferably from Sun
+   1. Java 1.6.x or higher, preferably from Sun -see HadoopJavaVersions
    2. Linux and Windows are the supported operating systems, but BSD, Mac OS/X, and OpenSolaris are known to work. (Windows requires the installation of [[http://www.cygwin.com/|Cygwin]]).
  
  
@@ -59, +59 @@

    * `tasktracker.http.threads = 50`
    * `mapred.child.java.opts = -Xmx1024m`
  
- JRE 1.6 or higher is highly recommended. For e.g., it deals with large number of connections much more efficiently.
- 
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  '''4. [[#4|Do I have to write my application in Java?]]'''