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Hadoop Interview Questions
Questions Answers Views Company eMail

Where is table data stored in Apache Hive by default?

857

What is ObjectInspector functionality?

873

Explain about the different types of join in Hive?

865

What is Apache HBase?

273

What is HBaseFsck class?

265

What is REST?

255

Define Thrift?

277

What are the fundamental key structures of HBase?

211

What is JMX?

221

What is Nagios?

228

What is the syntax of describe Command?

314

What is the use of exists command?

248

Define Apache Pig?

684

Why Do We Need Apache Pig?

689

What is the difference between Pig and SQL?

677


Un-Answered Questions { Hadoop }

what does the shell commands “Capture” and “Consistency” determines?

113


How is reporting controlled in hadoop?

834


List out the different stream grouping in apache storm?

426


What is Data Log in Kafka?

856


Can multiple clients write into a Hadoop HDFS file concurrently?

57


What is the point of apache spark?

301


What are the benefits of block transfer?

1036


How much Metadata will be created on NameNode in Hadoop?

62


How does Mappers run method works?

944


What is kafka Producer?

578


What is Clustring in Hive?

781


Mention some important features of spm in cassandra?

115


How hdfa differs with nfs?

789


Is impala intended to handle real time queries in low-latency applications or is it for ad hoc queries for the purpose of data exploration?

43


Explain about the scalar datatypes in Apache Pig?

967