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Hadoop Interview Questions
Questions Answers Views Company eMail

What are the transformations in spark?

283

Why do we need rdd in spark?

286

What's rdd?

284

What is the use of rdd in spark?

276

Does spark use mapreduce?

288

Why is the spark so fast?

309

What is spark used for?

268

What are broadcast variables in spark?

328

What is spark accreditation?

276

How do I use spark with big data?

299

What database does spark use?

274

Why should I use spark?

305

What is the use of spark in big data?

348

What is the difference between hadoop and spark?

273

What is spark configuration?

340


Un-Answered Questions { Hadoop }

What is the use of cassandra cql collection?

74


What is a block in Hadoop HDFS? What should be the block size to get optimum performance from the Hadoop cluster?

36


What is full form of rdd?

388


Explain the format of an apache kafka message?

482


What is the model of a ZooKeeper cluster?

5


What are the features of apache mahout?

44


How is hdfs block size different from traditional file system block size?

50


What is keyspace in Cassandra?

78


State some advantages of impala?

36


Explain the Features of HBase?

212


What is an "RDD Lineage"?

299


Why do we need hive?

727


How is recovery achieved in Ambari?

63


Compare hadoop & spark?

265


Explain Cqlsh?

89