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

Big Data Interview Questions

Questions Answers Views Company eMail

Clarify about the smb join in hive?

717

What is the throughput? How does hdfs give great throughput?

How does hdfs ensure information integrity of data blocks squares kept in hdfs?

What do you mean by block scanner in hdfs?

What do you mean by meta information in hdfs? List the documents related to metadata.

What does heartbeat in hdfs means?

What does hdfs mean?

Would you be able to change the block size of hdfs files?

Characterize data integrity? How does hdfs ensure information integrity of data blocks squares kept in hdfs?

Does hdfs enable a customer to peruse a record, which is already opened for writing?

What is the throughput?

How does hdfs give great throughput?

Will various customers write into an hdfs record simultaneously?

Clarify the difference between nas and hdfs.

What do you mean by meta information in hdfs?

Un-Answered Questions { Big Data }

Explain the Differences between Hive and Spark SQL?

761

What is bloom filter?

Doesn’t google have its very own version of dfs?

529

What is the difference between leader and follower in kafka?

610

How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?

467

What is spark job?

361

What are the filters are available in apache hbase?

157

Explain the core methods of a reducer?

549

What are the benefits of setting up a local repository?

What is a tuple in spark?

300

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

How many distinct layers are of storm’s codebase?

642

What is rdd partition?

334

Why slaves limited to 4000 in hadoop version 1?

540

What is cluster in Cassandra?

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