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Hadoop Interview Questions
Questions Answers Views Company eMail

Which database is used in hadoop?

484

What is metastore?

640

Is kafka a amqp?

524

Is kafka a message queue?

568

What are the advantages of kafka?

568

What is the benefit of kafka?

512

What is the difference between kafka and mq?

522

Where is kafka used?

546

What does rdd stand for?

454

Is spark used for machine learning?

281

What is difference between rdd and dataframe?

350

What is javardd?

294

Why are spark transformations lazy?

292

How many ways can you create rdd in spark?

332

Can we install spark on windows?

342


Un-Answered Questions { Hadoop }

Do I need to know scala to learn spark?

362


What do you mean by ss table?

90


What is speculative execution in Hadoop?

1053


how can you check whether Namenode is working beside using the jps command?

672


How is 0xdata's h2o different from apache mahout ?

47


what does the shell commands “Capture” and “Consistency” determines?

111


What is PageRank in Spark?

272


What does producer api in kafka?

493


How will you implement joins in HBase?

176


What are the various InputFormats in Hadoop?

652


Give key features of any NoSQL database?

104


For using hadoop list the network requirements?

475


Mention what is the difference between an rdbms and hadoop?

424


Where is rdd stored?

309


Define lzo?

198