What is a map side join?
No Answer is Posted For this Question
Be the First to Post Answer
Explain what does the conf.setMapper Class do in MapReduce?
When is the reducers are started in a MapReduce job?
Define MapReduce?
Compare Pig vs Hive vs Hadoop MapReduce?
Why Mapreduce output written in local disk?
What does a 'MapReduce Partitioner' do?
What is the default value of map and reduce max attempts?
What is the difference between Hadoop and RDBMS?
How to create custom key and custom value in MapReduce Job?
Where sorting is done in Hadoop MapReduce Job?
What are ‘maps’ and ‘reduces’?
How to write a custom partitioner for a Hadoop MapReduce job?
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)