OPTIMA: On-Line Partitioning Skew Mitigation for MapReduce with Resource Adjustment


Partitioning skew has been shown to be a major issue that can significantly prolong the execution time of MapReduce jobs. Most of the existing off-line heuristics for partitioning skew mitigation are inefficient; they have to wait for the completion of all the map tasks. Some solutions can tackle this problem on-line, but will impose an additional overhead… (More)
DOI: 10.1007/s10922-015-9362-8

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