if you search for "Hadoop" on Dice, you get under 400 hits. We all have no
doubt that the demand is greater. Does it mean that companies prefer to
train their personnel rather than search for hard-to-find resources? One
indication that this is true would be Cloudera's training being sold out :)
Another - Hadoop books being bestseller, which is true for Tom White's book
with 5,000 Amazon bestseller rank.