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Iterative reduce
jpatanooga edited this page Nov 1, 2012
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Iterative Reduce was designed specifically for parallel iterative algorithms on Hadoop. It is implemented directly on top of YARN and provides intrinsic parallelism while abstracting part of the "plumbing" complexities away of YARN programming.
- Launches the YARN ApplicationMaster
- Computes required resources
- Obtains resources from YARN
- Launches Workers
- Computation on partial data (input split)
- Synchronizes with Master