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Define combiner aggregator in apache storm?

Question Posted / anurag khare


Define combiner aggregator in apache storm?..

Answer / Jitendra Kumar Gupta

"CombinerAggregator" is a class in Apache Storm that provides a method for combining tuples within a single bolt before they are emitted. It can be used to reduce the amount of data that needs to be sent between bolts, improving performance. CombinerAggregators can be created by implementing the ICombiner interface."

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