After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
No Answer is Posted For this Question
Be the First to Post Answer
What does the mapred.job.tracker command do?
Give me an example of document database ?
What are the side effects of not running a secondary name node?
What do you mean by the NameNode High Availability in hadoop?
Which are the three modes in which hadoop can be run?
Is hadoop still in demand?
If the hadoop administrator needs to make a change, which configuration file does he need to change?
What happens if you don?t override the mapper methods and keep them as it is?
what is next step after mapper or maptask?
What are the limitations of Hadoop?
What are 'slaves' and 'masters' in Hadoop?
What is purpose of RecordWriter 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)