Why are the number of splits equal to the number of maps?
No Answer is Posted For this Question
Be the First to Post Answer
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
How to resolve small file problem in hdfs?
What is Hadoop streaming?
What is InputSplit and RecordReader?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What is version-id mismatch error in hadoop?
What are the problems with Hadoop 1.0?
What is Hadoop?
What is the jobtracker?
what are Task Tracker and Job Tracker?
Explain the basic difference between traditional rdbms and hadoop?
What is Apache Hadoop YARN?
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)