AdminHelpdice Team30 May, 2024In order to apply a combiner, what is one property that has to be satisfied by the values emitted from the mapper?Select Option & Check AnswerCombiner can be applied always to any dataOutput of the mapper and output of the combiner has to be same key value pair and they can be heterogeneousOutput of the mapper and output of the combiner has to be same key value pair. Only if the values satisfy associative and commutative property it can be doneComparableWritableComparableCheck AnswerIncorrect. ❌Related MCQ's In order to apply a combiner, what is one property that has to be satisfied by the values emitted from the mapper?...Wed, 26 NovWhich of the following is false about RawComparator?...Wed, 26 NovWhich one of the following is not a main component of HBase?...Wed, 26 NovThe org.apache.hadoop.io.Writable interface declares which two methods?...Wed, 26 NovHow does Hadoop process large volumes of data?...Wed, 26 NovWhich one of the following stores data?...Wed, 26 NovWhat is the default input format?...Wed, 26 NovJob tracker runs on...Wed, 26 NovHow does HDFS ensure the integrity of the stored data?...Wed, 26 NovThe function of secondary namenode...Wed, 26 Nov
