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

Is it possible to leverage real time analysis on the big data collected by flume directly? If yes, then explain how?

Why we are using flume?

Mention when to use Map reduce mode?

629

what Hive is composed of ?

679

Give the command to see the indexes on a table?

922

Can the name of a view be same as the name of a hive table?

762

Explain the Use of Hive?

701

What is the difference between like and rlike operators in hive?

754

How to managed create a table in hive ?

709

what is Metastore in Hive?

677

Mention key components of Hive Architecture?

853

what Hive query processor does?

669

What does the following query do? Insert overwrite table employees partition (country, state) select ..., Se.cnty, se.st from staged_employees se;

921

While loading data into a hive table using the load data clause, how do you specify it is a hdfs file and not a local file ?

734

What is a table generating function on hive?

714

Un-Answered Questions { Hadoop }

What is the difference between hive and spark?

312

What are the other components of ambari that are important for automation and integration?

What is nagios is used in ambari?

109

What is a local repository and when will you use it?

169

Replication causes data redundancy and consume a lot of space, then why is it pursued in hdfs?

Why is spark popular?

280

Describe impala shell (impala-shell command)?

What is a broker?

514

Explain the terms Spark Partitions and Partitioners?

303

What is ganglia is used for in ambari?

Explain about the major libraries that constitute the Spark Ecosystem?

417

How do I get apache spark on windows 10?

296

What problems can be addressed by using Zookeeper?

941

What is FlumeNG?

What do you understand by the term Straggler ?

686

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