AdminHelpdice Team30 May, 2024What is speculative execution in Hadoop?Hadoop executes the delayed map/reduce tasks in parallel in other Datanodes, speculating failures/delays in Datanodes.Hadoop always executes every map/reduce task in more than one Datanode, speculatively.Hadoop does not implement any speculative execution unless specified by the user.Nodes in Hadoop cluster never fail. So there is no speculative execution in Hadoop.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?...14 hour agoWhich of the following is false about RawComparator?...14 hour agoWhich one of the following is not a main component of HBase?...14 hour agoThe org.apache.hadoop.io.Writable interface declares which two methods?...14 hour agoHow does Hadoop process large volumes of data?...14 hour agoWhich one of the following stores data?...14 hour agoWhat is the default input format?...14 hour agoJob tracker runs on...14 hour agoHow does HDFS ensure the integrity of the stored data?...14 hour agoThe function of secondary namenode...14 hour ago
