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Big Data Interview Questions
Questions Answers Views Company eMail

Can we use windows for hadoop?

 232

What are the hadoop configuration files at present?

 243

Can we create a hadoop cluster from scratch?

 241

What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?

 243

In which directory hadoop is installed?

 231

Does hadoop follows the unix pattern?

 223

What is the hadoop-core configuration?

 260

What is bucketing ?

 397

Can we load data into a view?

 407

Difference between hive and impala?

 436

What are the types of hive ddl commands?

 407

How can you stop a partition form being queried?

 436

What is the default location where hive stores table data?

 407

What are types of hive built-in functions?

 476

Why do we need hive?

 412

Un-Answered Questions { Big Data }

Name some independent extensions that contribute to the Ambari codebase?

50

Name some companies that use Hadoop?

677

Is there any benefit of learning mapreduce if spark is better than mapreduce?

1719

Define Partition and Partitioner in Apache Spark?

214

Can you define data lake?

211




What are the key differences between cassandra and traditional rdbms?

65

What do you understand by Filters in HBase?

105

what is the meaning of broker in Kafka?

295

How does spark run hadoop?

190

What is the purpose of context object?

229

Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job?

251

What is spark used for?

172

When to use hadoop, hbase, hive and pig?

308

Where is apache spark used?

185

How data or file is written into Hadoop HDFS?

22

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