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

Clarify how job tracker schedules an assignment?

419

What jobtracker is in hadoop? What are the activities followed by hadoop?

424

Clarify how ordering in hdfs is finished?

496

What a task tracker is in hadoop?

435

What webdav is in hadoop?

437

Specify what the information segments utilized by hadoop are?

438

Clarify what is sqoop in hadoop?

419

What is the man difference between hbase and hive?

669

Say what the views are in hive?

672

Specify the partitions in hive?

660

How can a developer utilize hive?

680

List down the segments of a hive question processor?

643

Specify the different methods of hive?

723

What does meta-store means in hive?

712

What do you understand by hive?

681

Un-Answered Questions { Hadoop }

Mention the best features of Apache Sqoop?

When do you have to avoid secondary indexes?

Explain cap theorem?

103

Difference Between Hadoop and HDFS?

What other technologies have you used in hadoop sta ck?

984

What are the cases where Apache Spark surpasses Hadoop?

283

Explain when using field grouping in storm, is there any time-out or limit to known field values?

589

How do you check if a particular partition exists?

690

Why HCatalog?

What happens to a namenode, when job tracker is down?

753

Which files are used by the startup and shutdown commands?

720

Explain what happens if you alter the block size of a column family on an already occupied database?

168

What is the difference between HDFS and NAS ?

1372

What is Zookeeper Cluster?

Explain the difference between mapreduce engine and hdfs cluster?

131

For More Un-Answered { Hadoop } Questions Click Here