Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

What is the use of flume in hadoop?

How do I know if flume agent is running?

116

What is flume interceptor?

What are the components of a flume agent?

What is flume and kafka?

How do I start flume agent?

What is contextual routing in flume?

824

What is the use of apache flume?

Which among the flume entities is responsible for performing intermediate processing of jobs?

779

What is difference between flume and sqoop?

200

What is the difference between kafka and flume?

How do I stop flume agent?

What is flume used for?

Is a log flume a roller coaster?

Is apache flume real time processing framework?

Un-Answered Questions { Hadoop }

Why hive does not store metadata information in hdfs?

995

What are the DDL commands used in hbase?

156

How many instances of tasktracker run on a hadoop cluster?

726

What is a task instance in hadoop? Where does it run?

656

Define NoSQL Database?

104

What problems can be addressed by using Zookeeper?

982

What is the point of apache spark?

301

What is difference between flume and kafka?

How many Mappers run for a MapReduce job?

654

What is apache spark good for?

296

Why does my insert statement fail?

How hbase uses zookeeper?

What are the types of Transformation in Spark RDD Operations?

294

What is cqlsh?

How to control access to data in impala?

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