What are the 2 modes used to run pig scripts?

295

What is the default value of map and reduce max attempts?

657

Is it possible to iterate through the rows of HBase table in reverse order?

155

What are the different types of Znodes?

697

Why scala is used in spark?

204

Mention some important components of cassandra data models?

45

What is hinted handoff?

56

what Hive is composed of ?

392

Explain the hdfs architecture and list the various hdfs daemons in hdfs cluster?

30

What are the features of apache cassandra?

46

What are the three layers where the hadoop components are actually supported by ambari?

51

What are the data manipulation commands of hbase?

141

What is the use of “resultset execute” method?

70

Mention some use cases of apache mahout?

41

Do I need to learn scala for spark?

184