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From Apache Wiki <wikidi...@apache.org>
Subject [Lucene-hadoop Wiki] Trivial Update of "FAQ" by DougCutting
Date Thu, 08 Jun 2006 21:19:38 GMT
Dear Wiki user,

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

The following page has been changed by DougCutting:
http://wiki.apache.org/lucene-hadoop/FAQ

------------------------------------------------------------------------------
  = Hadoop FAQ =
  
- 1. What is Hadoop?
+ == 1. What is Hadoop? ==
  
  Hadoop is a distributed computing platform written in Java.  It incorporates features similar
to those of the [http://en.wikipedia.org/wiki/Google_File_System Google File System] and of
[http://en.wikipedia.org/wiki/MapReduce MapReduce].
  
- 2. How well does Hadoop scale?
+ == 2. How well does Hadoop scale? ==
  
  Hadoop has been demonstrated on clusters of up to 600 nodes.  Sort performance is [http://www.mail-archive.com/hadoop-dev%40lucene.apache.org/msg01777.html
good] and still improving.
  
- 3. To use Hadoop, do I have to write my application in Java?
+ == 3. Do I have to write my application in Java? ==
  
  No.  There are several ways to incorporate non-Java code.  HadoopStreaming permits any shell
command to be used as a map or reduce function, and Hadoop is also developing [http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/c%2B%2B/
C and C++ APIs].
  

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