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

Hadoop Interview Questions

Questions Answers Views Company eMail

Can you list some useful zookeeper tools?

What are barriers?

How hbase uses zookeeper?

What is a bookkeeper client in bookkeeper?

What is closing out ledgers?

Why not just use zookeeper for everything?

What happens to zk sessions while the cluster is down?

What are the prime features of apache zookeeper?

Can I run an ensemble cluster behind a load balancer?

What is metadata storage service in bookkeeper?

What are the options-process for upgrading zookeeper?

Is there an easy way to expire a session for testing?

What are producer-consumer queues?

What is a bookie in bookkeeper?

Describe how hbase uses zookeeper?

Un-Answered Questions { Hadoop }

What is replication factor?

406

What language is apache spark?

277

What are the capabilities of kafka?

513

What is accumulator?

304

Is dataframe immutable?

469

What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

850

How can one set space quota in Hadoop (HDFS) directory?

Explain InputSplit in Hadoop MapReduce?

629

Explain hdfs?

What is zookeper?

Who created spark?

263

Is hbase an os independent approach?

185

What are the parameters of mappers and reducers?

453

Where does Spark Driver run on Yarn?

264

How do you define a partitioning key?

510

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