what is the Hadoop MapReduce APIs contract for a key and value class?
No Answer is Posted For this Question
Be the First to Post Answer
When Namenode is down what happens to job tracker?
What MapReduce framework consists of?
Which Sorting algorithm is used in Hadoop MapReduce?
what job does the conf class do?
What are ‘maps’ and ‘reduces’?
What is a "map" in Hadoop?
What is SequenceFileInputFormat in Hadoop MapReduce?
When is it suggested to use a combiner in a MapReduce job?
Is there any point of learning mapreduce, then?
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
What is the next step after Mapper or MapTask?
What is partitioner and its usage?
Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)
Apache Spark (991)
Apache HBase (164)
Apache Flume (95)
Apache Impala (72)
Apache Cassandra (392)
Apache Mahout (35)
Apache Sqoop (82)
Apache ZooKeeper (65)
Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)
Apache Avro (26)
Apache Presto (15)
Apache Tajo (26)
Hadoop General (407)