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?

117

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?

1009

Explain about the different types of partitioning in Hive?

1 1430

What is SerDe in Apache Hive ?

928

What is a partition in Hive?

900

is HQL case sensitive?

860

What is ObjectInspector functionality in Hive?

938

Can you overwrite Hadoop MapReduce configuration in Hive?

908

What are the components used in Hive query processor?

870

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

867

Un-Answered Questions { Hadoop }

What is hadoop pig?

535

What do you mean by meta information in hdfs?

What is check pointing in hadoop?

441

What are Pig Execution modes?

615

How can you overwrite the replication factors in HDFS?

1247

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

111

Why scala is used in spark?

328

Can we change the data type of a column in a hive table?

697

On what basis data will be stored on a rack?

1140

Is apache flume real time processing framework?

What are the different types of tables available in Hive?

697

Explain what is “map” and what is "reducer" in hadoop?

644

Explain the shuffle?

915

What are the benefits of apache kafka over the traditional technique?

998

How to add the partition in existing table without the partition table?

702

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