What is the need of key-value pair to process the data in MapReduce?
No Answer is Posted For this Question
Be the First to Post Answer
when do reducers play their role in a mapreduce task?
What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?
What MapReduce framework consists of?
What is the Reducer used for?
What is the best way to copy files between HDFS clusters?
How do ‘map’ and ‘reduce’ work?
Why can aggregation not be done in Mapper in MapReduce?
How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
What are the four essential parameters of a mapper?
Explain what is distributed cache in mapreduce framework?
what does the text input format do?
What is Counter in MapReduce?
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)