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Hadoop Interview Questions
Questions Answers Views Company eMail

What is heap memory in spark?

 178

What is external shuffle service in spark?

 204

What is spark client?

 189

Which are the various data sources available in spark sql?

 194

Can you run spark without hadoop?

 212

What is tungsten engine in spark?

 214

What is stage and task in spark?

 147

What is spark execution engine?

 200

Is spark sql a database?

 176

Is spark distributed computing?

 208

What is row rdd in spark?

 195

How is rdd fault?

 200

How does reducebykey work in spark?

 177

What is apache spark for beginners?

 191

What is deploy mode in spark?

 204

Un-Answered Questions { Hadoop }

Explain bucketing in Hive?

492

Explain how cassandra writes changed data into commitlog?

49

State Disadvantages of Apache Kafka?

318

Explain about the different cluster managers in Apache Spark

208

How can I import large objects (BLOB and CLOB objects) in Apache Sqoop?

5




Mention what are the main configuration parameters that user need to specify to run mapreduce job?

433

Is reduce-only job possible in Hadoop MapReduce?

396

What webdav is in hadoop?

229

What is a heartbeat in HDFS?

620

Can I use impala to query data already loaded into hive and hbase?

45

Explain what is the function of mapreduce partitioner?

370

What is the Physical plan in pig architecture?

306

What is the difference between scala and spark?

192

What is sink processors?

73

What are the network requirements for hadoop?

254

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