Brewers CAP
Map Reduce
UMA un
2014/2015
Define public Private Cloud - when to use in enterprise
NIST - definitons - cost, trust flexibility
Program 99% paralisliable - 1 sequntial - what is speed up 10 100 1000
Amdhals Equation
Sn = 1
Compare cluster grids computing clouds in terms of hardware software network r a
llocaiotn infastionr management, opertional cost model
5 major issues addressd by virtual machines and cluseters
Availbility, hardware abstractions, resoruce sharing
CSP given time to repair 10 mins - max 1 per year - whats availbilty
a = mmtf/ mttf + i
99.998%
2014/2015 repeat
99% paralisliable 6 cores c1 = c6 c2 = 2c1 c3 = 3c1 c4 = 4c1
2015 jan
for a program 99.5 paralisliable
Checkpoint - plan transprent checkpoint
5 tech adavnces allow cloud computing
IAS v PAS
Exapmple
Name node in haddo
Seting up AWS