Hadoop (4218)
Big Data General (104)
Big Data AllOther (3) What do you understand by an inner bag and outer bag in Pig?
What do you mean by logging in cassandra?
Define the difference between hive and hbase?
Which are the two types of 'writes' in HDFS?
explain Metadata in Namenode?
What is the throughput? How does hdfs give great throughput?
What is map in apache spark?
You have a file employee.txt in the hdfs directory with 100 records. You want to see only the first 10 records from the employee.txt file. How will you do this?
Explain tokenize?
Name the ports Cassandra uses?
Define streaming access?
What is nlineoutputformat?
What is the use of illustrate in pig?
What is the use of flatmap in spark?
Name some Complex types of Data types, Avro Supports?