Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Hadoop Interview Questions

Questions Answers Views Company eMail

What are the most memory-intensive operations?

What are the main features of impala?

Where can I get sample data to try?

Where can I find impala documentation?

What features from relational databases or hive are not available in impala?

Is hive an impala requirement?

When does impala hold on to or return memory?

What is zookeper?

Mention some instances where zookeeper is using?

How can we create znodes?

How can we create children / sub-znode?

How can we remove a znode?

Explain the zookeeper workflow?

What are the basics of zookeeper api?

What is mandatory while creating a table in cassandra?

Un-Answered Questions { Hadoop }

What is Cassandra Data Model?

How kafka communicate with clients and servers?

554

what are relational operations in pig latin?

915

What are the various advantages of DataFrame over RDD in Apache Spark?

325

Is it mandatory to set input and output type/format in MapReduce?

790

How does cassandra perform write operations?

What is apache spark for beginners?

302

What is a column family?

Explain what is a consumer group?

591

What is mllib?

294

Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?

644

Explain Zookeeper Queues?

How to Delete directory from HDFS?

What is executor in spark?

326

Explain the zookeeper workflow?

For More Un-Answered { Hadoop } Questions Click Here