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

Big Data Interview Questions

Questions Answers Views Company eMail

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?

How kafka communicate with clients and servers?

520

What is log compaction?

530

Kafka has written in which languages?

537

What exactly kafka does?

473

What are consumers in kafka?

541

What does producer api in kafka?

488

What does consumer api in kafka?

507

How can you configur the log cleaner?

566

What are the core api’s of kafka?

501

How can you use streams api?

538

Un-Answered Questions { Big Data }

What are all stats classes in the org.apache.pig.tools.pigstats package?

567

What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?

540

What is partitioning key?

554

What is the problem in having lots of small files in hdfs?

What happen if the number of the reducer is 0 in MapReduce?

652

Do I need to know hadoop to learn spark?

340

List some use cases where Spark outperforms Hadoop in processing.

293

How does spark work with python?

298

Difference Between Hadoop and HDFS?

Can we run spark without hadoop?

291

what is difference between pig and sql?

2606

How does reducebykey work in spark?

255

What are the major features/characteristics of rdd (resilient distributed datasets)?

307

Is spark written in scala?

292

Can you explain speculative execution?

418

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