Which company initially developed Hive ?1 710
What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?228
How Pig differs from MapReduce?
Explain Working of MapReduce?
What is the Reducer used for?
Explain the need for MapReduce while programming in Apache Pig?
What is IdentityMapper?
What is 'Key value pair' in HDFS?
What are the different components of a Hive query processor?
What problem does Apache Flume solve?
Explain about the popular use cases of Apache Spark
Explain about the core components of Flume?
How we can take Hadoop out of Safe Mode?
What are benefits of Spark over MapReduce?
What are the additional benefits YARN brings in to Hadoop?
how can you debug Hadoop code?
What are the components of Apache Pig platform?