On Dec 30, 2009, at 3:20 PM, Roy Mendelssohn wrote:

Hi All:

I am new to what is in this Apache Project. When I go t http://hadoop.apache.org/index.html , a glaring omission, IMO, is any description of what contains what, and what I get if I do a download. Does Hadoop common contain hbase and mapreduce and hdfs, or do I need to install these separately, or what. I skimmed several of the starting documents, and they do not tell you that either. Same with the other components listed on that page.

Any information on that would be greatly appreciated,

Ok, it goes like this. After 0.20 Core split into 3 subprojects (Common, HDFS, MapReduce). So if you are downloading Core 0.20.1, you'll get all 3 of them. HBase, Hive, Pig, and ZooKeeper are all separate sub-projects and you need to download them separately.

-- Owen

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