What are accumulators in Apache spark?

Sharad Jaiswal
Sharad Jaiswal

Posted On: Feb 22, 2018

 

The write only variables which are initially executed once and send to the workers are accumulators. On the basis of the logic written, these workers will be updated and sent back to the driver which will process it on the basis of logic. A driver has the potential to exercise accumulator’s value.

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