how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
No Answer is Posted For this Question
Be the First to Post Answer
How to get the single file as the output from MapReduce Job?
What is MapReduce?
In Hadoop what is InputSplit?
How many Mappers run for a MapReduce job in Hadoop?
What is shuffling and sorting in mapreduce?
Where is the output of Mapper written in Hadoop?
What is the need of MapReduce in Hadoop?
What are the advantages of using mapreduce with hadoop?
What is partitioner and its usage?
What is the use of InputFormat in MapReduce process?
What is the Hadoop MapReduce API contract for a key and value Class?
In Hadoop, which file controls reporting 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)