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 Distributed Cache?

850

what is difference between pig and sql?

2561

What problem does Apache Pig solve?

747

if you run Hive as a server?

869

What problems have you faced when you are working on Hadoop code?

922

What is HDFS - Hadoop Distributed File System?

911

Are multiline comments supported in Hive?

3238

How does MapReduce framework view its input internally?

826

What is the stable version of Hive ?

2589

What are the most commonly defined input formats in Hadoop?

1015

What does /var/hadoop/pids do?

1211

What is the use of Combiner?

927

What is Hive ?

955

what is SPF?

1466

what are Task Tracker and Job Tracker?

993

Un-Answered Questions { Hadoop }

How can apache spark be used alongside hadoop?

1791

What is partitioning?

425

What is impala?

130

In ambari what are the different life cycle commands?

Does this lead to security issues?

695

How will you read and write HDFS files in Hive?

652

Can free form SQL queries be used with Sqoop import command?

shouldn't DFS be able to handle large volumes of data already?

1017

How is 0xdata's h2o different from apache mahout ?

What is partitioner and its usage?

626

How tables are managed in apache tajo?

What is parallelize in spark?

267

what are views in Hive?

711

What is the purpose of textinputformat?

670

What is Secondary NameNode in Hadoop HDFS?

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