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?...22 hour agoKeys from the output of shuffle and sort implement which of the following interface?...22 hour agoWhich demon is responsible for replication of data in Hadoop?...22 hour agoWhich of the following is false about RawComparator?...22 hour agoWhich one of the following is not a main component of HBase?...22 hour agoWhich one of the following statements is false regarding the Distributed Cache?...22 hour agoWhich one of the following statements is true regarding <key,value> pairs of a MapReduce job?...22 hour agoThe org.apache.hadoop.io.Writable interface declares which two methods?...22 hour agoWhich of the following components retrieves the input splits directly from HDFS to determine the number of map task...22 hour agoWhich of the following are among the duties of the Data Nodes in HDFS?...22 hour ago
