Estimating the progress of MapReduce pipelines

Data Engineering, 2010, Pages 681-684E.

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SQLparallel programmingquery processingMapReduce pipelinesParallax indicatorMore(6+)

Abstract:

In parallel query-processing environments, accurate, time-oriented progress indicators could provide much utility given that inter- and intra-query execution times can have high variance. However, none of the techniques used by existing tools or available in the literature provide non-trivial progress estimation for parallel queries. In t...More

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