Faulkner testing with kerberized hadoop

$ irb
>> $:.unshift("~/hbase-ec2/lib")
=> ["~/hbase-ec2/lib",..]
>> load "faulkner_tm_3.rb"
=> true
>> include Hadoop
=> Object
>> faulk = Faulkner.new :ami => 'ami-d3618aba', :availability_zone => 'us-east-1a'
searching for AMI: 'ami-d3618aba'..
ami-d3618aba has label: hbase-0.20-tm-3-x86_64
=> #<Hadoop::Faulkner:0x1024ce750 @state="Initialized", ...>
>> faulk.launch
[launch:zk.......................................................]
...
=> "running"
>> faulk.test
using ziph (pareto) distribution, min=4 max=1048576
using 1 threads
writing 1000000000000 total rows
writer #<Thread:0x23a82e92> started: 0/1000000000000
...