mfox793
07.12.2019 •
Engineering
For each problem and data set described below, state how would you setup the (key,value) pairs as inputs and outputs for the mappers and reducers. also, explain the operation performed by the map and reduce functions given their input. assume your hadoop program uses textinputformat as its input format (where each record corresponds to a line of the input file). since the inputs for the mappers are the same (byte offset, content of the line), you only need to specify the mappers’ outputs. if the problem requires more than one mapreduce jobs, specify the role of each map/reduce function along with their input and output key-value pairs). you should solve the problem with minimum number of mapreduce jobs.
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Ответ:
B. in an upper trough on the polar side of a jet stream.
Explanation:
The clear air turbulence is produce when the object is surrounded by several clouds and the air has different directions and forces around the flying object.
In the jet stream, when the cool air coming from the poles meet the warm air of the ecuatorial part of our planet, the mixing is the result of different air densities, forces and directions, producing a clear air turbulence.