A Survey on Hierarchical Merge for Hadoop-A
Journal Title: International Journal of Science and Research (IJSR) - Year 2015, Vol 4, Issue 1
Abstract
: Hadoop is a popular open source implementation of the Map Reduce programming model for cloud computing. However, it faces a number of issues to achieve the best performance from the underlying systems. These include a serialization barrier that delays the reduce phase, repetitive merges, and disk accesses, and the lack of portability to different interconnects. We describe Hadoop-A, an acceleration framework that optimizes Hadoop with plug-in components for fast data movement, overcoming the existing limitations. A Hierarchical merge algorithm is introduced to merge data without repetition and disk access. In addition, we are using virtual shuffling to reduce disk access.
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