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 kafka communicate with clients and servers?

552

What is log compaction?

575

Kafka has written in which languages?

578

What exactly kafka does?

522

What are consumers in kafka?

574

What does producer api in kafka?

517

What does consumer api in kafka?

550

How can you configur the log cleaner?

595

What are the core api’s of kafka?

541

How can you use streams api?

580

How can you create topic in kafka?

585

How can you send some messages in kafka?

539

What are broker configs?

567

What are quotas?

536

What are producers in kafka?

552

Un-Answered Questions { Hadoop }

What is HBase?

367

What is Hive query processor?

952

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

736

Where is spark rdd?

280

What is structured data?

691

What happens when two users try to access to the same file in HDFS?

How to Delete directory and files recursively from HDFS?

State some Ambari components which we can use for automation as well as integration?

110

How to write data in Hbase using flume?

101

How do I know how many impala nodes are in my cluster?

160

How to do ‘map’ and ‘reduce’ works?

605

What do you mean by consistency in Cassandra?

190

what is distributed cache in mapreduce framework?

724

What does block mean?

480

Main Components of Hadoop?

816

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