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?

495

What is log compaction?

499

Kafka has written in which languages?

506

What exactly kafka does?

447

What are consumers in kafka?

515

What does producer api in kafka?

458

What does consumer api in kafka?

479

How can you configur the log cleaner?

521

What are the core api’s of kafka?

473

How can you use streams api?

506

How can you create topic in kafka?

518

How can you send some messages in kafka?

472

What are broker configs?

490

What are quotas?

479

What are producers in kafka?

488

Un-Answered Questions { Hadoop }

What is the work of Export in Hadoop sqoop?

What are the key differences between cassandra and traditional rdbms?

What is Yum?

What happens if the block in HDFS is corrupted?

What is kafka in hadoop?

483

What is Bucket in Hive?

689

What are the execution modes in the apache pig?

479

What are different modes of metastore deployment in Hive?

666

How do I configure hadoop high availability (ha) for impala?

What is big data spark?

298

Why we need compression and what are the different compression format supported?

276

What do you mean by data center in Cassandra?

Define Cluster?

105

The partition of hive table has been modified to point to a new directory location. Do I have to move the data to the new location or the data will be moved automatically to the new location?

959

Which command is available to show the current HBase user?

154

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