What are the main configuration parameters in a MapReduce program?
No Answer is Posted For this Question
Be the First to Post Answer
How many Reducers run for a MapReduce job in Hadoop?
What combiners are and when you should use a combiner in a mapreduce job?
What is a map side join?
What is shuffling and sorting in mapreduce?
What is the key- value pair in MapReduce?
Where sorting is done on mapper node or reducer node in MapReduce?
With the help of two examples name the map and reduce function purpose
how JobTracker schedules a task ?
Compare Pig vs Hive vs Hadoop MapReduce?
For a Hadoop job, how will you write a custom partitioner?
What is MapReduce?
what is a sequence file in Hadoop?
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)