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CDP Operational Database supports a built-in coprocessor ‘AggregateImplementation’

Cloudera Employee

COD now supports a built-in coprocessor called AggregateImplementation that facilitates aggregation function computations (min, max, sum,avg, median, std) at the region level. This yields better performance because you need not get all the data to perform these calculations. 'AggregateImplementation' is enabled by default, and you can use the AggregationClient in HBase to perform RegionServer side aggregation, for example, row count.


This is available starting in COD v1.16 and you do not need to upgrade to a higher version of COD to benefit from this feature.


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