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Large Scale and Big Data
book

Large Scale and Big Data

by Sherif Sakr, Mohamed Gaber
June 2014
Intermediate to advanced content levelIntermediate to advanced
636 pages
23h 13m
English
Auerbach Publications
Content preview from Large Scale and Big Data
132 Large Scale and Big Data
with similar inputs, many tasks are repeated and their results can be reused. To
dene stability more precisely, consider performing MapReduce computations with
inputs I and I and consider the respective set of tasks that are executed, denoted
T and T. We say that a task t T is not matched if t T, that is, the task that is
performed with input I is not performed with the input I. We say that a MapReduce
computation is stable if the time required to execute the unmatched tasks is small,
where small can be more precisely dened as sublinear in the size of the input.
In the case of MapReduce, stability can be affected by several factors, which
we can group into the following two categories: (a) making a sma ...
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Publisher Resources

ISBN: 9781466581500