What is the Hadoop MapReduce API contract for a key and value Class?
No Answer is Posted For this Question
Be the First to Post Answer
What is identity mapper and identity reducer?
how JobTracker schedules a task ?
what is a sequence file in Hadoop?
What is the need of MapReduce?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
Whether the output of mapper or output of partitioner written on local disk?
What is the relation between MapReduce and Hive?
how indexing in HDFS is done?
Can MapReduce program be written in any language other than Java?
How does MapReduce framework view its input internally?
What is InputFormat in Hadoop MapReduce?
What is the use of InputFormat in MapReduce process?
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)