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Big Data Interview Questions
Questions Answers Views Company eMail

How is dag created in spark?

 190

What does spark do during speculative execution?

 201

What is heap memory in spark?

 180

What is external shuffle service in spark?

 204

What is spark client?

 189

Which are the various data sources available in spark sql?

 196

Can you run spark without hadoop?

 212

What is tungsten engine in spark?

 216

What is stage and task in spark?

 147

What is spark execution engine?

 200

Is spark sql a database?

 178

Is spark distributed computing?

 210

What is row rdd in spark?

 199

How is rdd fault?

 200

How does reducebykey work in spark?

 177

Un-Answered Questions { Big Data }

List out Hadoop's three configuration files?

347

What is inputformat in hadoop?

415

Explain what is the function of mapreduce partitioner?

377

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

38

What is regionserver?

118




What is spark database?

195

Does Apache Spark provide checkpoints?

193

List the various types of "Cluster Managers" in Spark.

197

Can Apache Kafka be used without Zookeeper?

671

What does hbase consists of?

123

How Sqoop word came? Sqoop is which type of tool and the main use of sqoop?

5

Before deploying the hadoop instance, what are the checks that an individual should do?

46

Why Hadoop performs replication, although it results in data redundancy?

1030

Which are the three main hdfs-site.xml properties?

398

Explain the difference between Spark SQL and Hive.

241

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