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?

1008

Explain about the different types of partitioning in Hive?

1 1430

What is SerDe in Apache Hive ?

927

What is a partition in Hive?

899

is HQL case sensitive?

860

What is ObjectInspector functionality in Hive?

938

Can you overwrite Hadoop MapReduce configuration in Hive?

906

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 a cluster in cassandra?

What are spark stages?

302

Can you explain edge nodes in hadoop?

436

Explain InputFormat?

1011

why should we use 'group' keyword in pig scripts?

559

What is a topic in kafka?

479

What is apache spark for beginners?

287

What are the advantages of pig language?

886

What do you understand by sstabl in cassandra?

What is the core of the job in MapReduce framework?

848

How hdfs is different from traditional file systems?

What are the Optimizations a developer can use during joins?

528

what is pig?

836

What are the relational operators available related to combining and splitting in pig language?

710

what are the main configuration parameters that user need to specify to run Mapreduce Job ?

601

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