Yahoo!’s cluster is part of the Open Cirrus’ Testbed created by HP, Intel, and Yahoo! (see press release at http://research.yahoo.com/node/2328). The availability of the Yahoo! cluster was first announced in November 2007 (see press release at http://research.yahoo.com/node/1879). The partition Yahoo! plans to make available to universities will consist of roughly 400 nodes with a total of 3,200 cores, over 2 terabytes of memory, and over 1 petabyte of raw storage. The Yahoo! cluster is intended to run the Apache open source software Hadoop and Pig. Each selected university will share thepartition with up to three other universities. The initial duration ofuse is 6 months, potentially renewable for another 6 months upon writtenagreement.