AdminHelpdice Team30 May, 2024What happens if mapper output does not match reducer input?Hadoop API will convert the data to the type that is needed by the reducer.Data input/output inconsistency cannot occur. A preliminary validation check is executed prior to the full execution of the job to ensure there is consistencyA real-time exception will be thrown, and MapReduce job will failThe Java compiler will report an error during compilation, but the job will complete with exceptions.Check AnswerRelated MCQ's In order to apply a combiner, what is one property that has to be satisfied by the values emitted from the mapper?...Mon, 10 MarWhich of the following is false about RawComparator?...Mon, 10 MarWhich one of the following is not a main component of HBase?...Mon, 10 MarThe org.apache.hadoop.io.Writable interface declares which two methods?...Mon, 10 MarHow does Hadoop process large volumes of data?...Mon, 10 MarWhich one of the following stores data?...Mon, 10 MarWhat is the default input format?...Mon, 10 MarJob tracker runs on...Mon, 10 MarHow does HDFS ensure the integrity of the stored data?...Mon, 10 MarThe function of secondary namenode...Mon, 10 Mar
