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Hadoop Interview Questions
Questions Answers Views Company eMail

Is spark sql faster than hive?

304

What is serialization in spark?

332

What is client mode in spark?

335

Which are the methods to create rdd in spark?

301

What is executor cores in spark?

305

Why we use parallelize in spark?

309

What is cluster manager in spark?

331

How do I change hive execution engine to spark?

315

What is spark dynamic allocation?

330

What is driver memory and executor memory in spark?

346

Does spark run mapreduce?

316

Can rdd be shared between sparkcontexts?

302

What is apache spark good for?

295

What is spark shuffle service?

347

What is meant by rdd in spark?

281


Un-Answered Questions { Hadoop }

Is spark a language?

293


How data or file is read in Hadoop HDFS?

47


Can you explain apache kafka?

558


What is presto?

5


What is the best way to copy files between HDFS clusters?

713


Why is output file name in Hadoop MapReduce part-r-00000?

674


What is the importance of driver in hive?

755


Can you list some useful zookeeper tools?

1


What is the use of BloomMapFile?

715


What is the throughput? How does hdfs give great throughput?

66


What is difference between spark and scala?

272


What are the filters are available in apache hbase?

157


How can you connect an application, if you run hive as a server?

752


What is the difference between kafka and flume?

87


When is it not recommended to use MapReduce paradigm for large

688