Optimizes Performance of MaxCompute SQL

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0.0.201

Experience Enhancements

MaxCompute - Optimizes Performance of MaxCompute SQL

Mar 26 2019

MaxCompute SQL is optimized through DynamicDAG and ShuffleRemove optimization.

Content

Features released: MaxCompute SQL is optimized through DynamicDAG and ShuffleRemove Optimization. DynamicDAG: a required mechanism for dynamic optimization. It can delay an optimization to be triggered at run time to improve the effect of the optimization (resource allocation or algorithm selection) and reduce the possibility of generating a low-performance execution plan. ShuffleRemove optimization: optimization for shuffles. MaxCompute supports Shuffle Remove for right tables, which have duplicate keys, of the INNER JOIN clause.

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