What is Counter in MapReduce?

Sharad Jaiswal
Sharad Jaiswal

Posted On: Mar 02, 2020

 

The Counters in the Hadoop MapReduce provides a way to measure the number of operations that occur in the MapReduce job. It is really useful in diagnosing the problem and gathering statistics about the MapReduce job. Counters are defined either by the MapReduce framework or the applications. Two types of Counters are the Built-In counters and User-Defined counters. Each counter in the Hadoop has along for the value and is named by an Enum.

    Related Questions

    Please Login or Register to leave a response.

    Related Questions

    Mapreduce Interview Questions

    What is Hadoop Map Reduce?

    Map Reduce is the core of Hadoop. It is one of the programming paradigms that acknowledge into consideration enormous a..

    Mapreduce Interview Questions

    What is the need of Map Reduce?

    Map Reduce is information handling paradigms in itself. This was one of its kind information handlings and has been tra..

    Mapreduce Interview Questions

    Clarify what is shuffling in Map Reduce?

    The procedure by which the framework lays out the sort and transfers the map outputs to the reducer as sources of inform..