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The following page has been changed by DougCutting: http://wiki.apache.org/lucene-hadoop/FAQ The comment on the change is: initial version of FAQ New page: = Hadoop FAQ = 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? 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? 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].
