AdminHelpdice Team30 May, 2024In a word count query using MapReduce, what does the map function do?It sorts the words alphabetically and returns a list of the most frequently used words.It returns a list with each document as a key and the number of words in it as the value.The master JobTracker sends map and reduce functions to the same machines or nodes in a cluster.It indexes the data to list all the words occurring in itIt tracks data across multiple tables and clusters in HadoopCheck 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?...11 hour agoWhich of the following is false about RawComparator?...11 hour agoWhich one of the following is not a main component of HBase?...11 hour agoThe org.apache.hadoop.io.Writable interface declares which two methods?...11 hour agoHow does Hadoop process large volumes of data?...11 hour agoWhich one of the following stores data?...11 hour agoWhat is the default input format?...11 hour agoJob tracker runs on...11 hour agoHow does HDFS ensure the integrity of the stored data?...11 hour agoThe function of secondary namenode...11 hour ago
