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

How can Flume be used with HBase?

115

Does Apache Flume provide support for third party plug-ins?

How is Flume-NG different from Flume 0.9?

Which is the reliable channel in Flume to ensure that there is no data loss?

133

What problem does Apache Flume solve?

101

How to write data in Hbase using flume?

101

Is Hive supports Temporary Tables?

955

Explain about the different types of partitioning in Hive?

1 1365

What is SerDe in Apache Hive ?

874

What is a partition in Hive?

853

is HQL case sensitive?

813

What is ObjectInspector functionality in Hive?

909

Can you overwrite Hadoop MapReduce configuration in Hive?

863

What are the components used in Hive query processor?

837

What are the file formats that Hive supports and can use be used for storage?

830

Un-Answered Questions { Hadoop }

What webdav is in hadoop?

410

What is the use of tracing cqlsh command in Cassandra?

Why do we need sparkcontext?

284

Why does one remove or add nodes in a Hadoop cluster frequently?

658

What is document store db? Explain with an example.

How to sort intermediate output based on values in MapReduce?

637

What is shuffle read and shuffle write in spark?

301

What is Slot in Hadoop v1? Why was it removed from Hadoop v2?

478

Mention some use cases of apache mahout?

What does apache spark stand for?

273

What are the purposes of using Ambari shell?

What do hive variable means? How can we utilize it?

567

How you can contact your client everyday ?

929

Why is spark popular?

270

How can you store the data in spark?

308

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