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

Big Data Interview Questions

Questions Answers Views Company eMail

How is dag created in spark?

188

What does spark do during speculative execution?

199

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

Un-Answered Questions { Big Data }

Explain how message is consumed by consumer in Kafka?

291

What is spark checkpointing?

193

When should you use hbase?

141

Can you overwrite Hadoop MapReduce configuration in Hive?

567

What is ZooKeeper Client?

How is a keyspace created in cassandra?

Can hadoop replace relational database?

233

Explain what is namenode in hadoop?

237

What is High Availability feature in Hadoop2?

241

What are the differences between a node, a cluster, and datacenter in Cassandra?

What is Pig Statistics? What are all stats classes in the Java API package available?

321

What is spark master?

224

What are file permissions in HDFS and how HDFS check permissions for files or directory?

How many Reducers should be configured?

HCatalog helps to Integrate Hadoop with everything. Explain?

For More Un-Answered { Big Data } Questions Click Here