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

Big Data Interview Questions

Questions Answers Views Company eMail

What is Flume event?

What are possible types of Channel Selectors?

103

What are the complicated steps in Flume configurations?

144

What is Flume Client?

Can flume provide 100% reliability to the data flow?

What are use cases of Apache Flume?

can you explain about configuration files?

What is Streaming / Log Data?

Why Flume?

180

What is flume agent?

What is FlumeNG?

Is there any difference between FileSink and FileRollSink?

Agent communicate with other Agents?

Explain Reliability and Failure Handling in Apache Flume?

106

Any two Limitations of Flume?

Un-Answered Questions { Big Data }

What is difference between memory channel and file channel in flume?

What is Pig Latin?

590

Name different types of primary keys in Cassandra?

Are spark dataframes immutable?

325

What is a Block Scanner in HDFS?

What is rdd in spark with example?

279

How can you trigger automatic clean-ups in Spark to handle accumulated metadata?

443

What do you understand by standalone (or local) mode?

428

What is the difference between Reducer and Combiner in Hadoop MapReduce?

677

In a very huge text file, you want to just check if a particular keyword exists. How would you do this using Spark?

402

Can we run unix shell commands from hive? Can hive queries be executed from script files? How? Give an example.

800

Explain various cluster manager in Apache Spark?

381

What are some of the characteristics of Hadoop framework?

438

Differentiate between FileSink and FileRollSink?

107

How is the option in Hadoop to skip the bad records?

949

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