Big Data Interview Questions
Questions Answers Views Company eMail

In Hadoop what is InputSplit?

372

What is partitioning in MapReduce?

403

What is the definition of Hive?

449

What is the current version of Hive?

449

Explain about ACID transactions in Hive?

439

Is it possible to change the default location of Managed Tables in Hive, if so how?

439

Is it possible to add 100 more nodes when we already have 100 nodes in Hive?

825

What is the default database provided by Apache Hive for metastore?

396

What is Buckets in Hive?

471

How will you consume CSV file into the Hive warehouse using built SerDe?

484

What is the difference between Hiveserver1 and Hiveserver2?

473

How to Rename a table in Hive

448

What are the advantages and Disadvantages in archieving partition in Hive?

451

When to choose "External Table" in Hive?

395

How to skip header rows from a table in Hive?

471


Un-Answered Questions { Big Data }

How can you use adminclient api?

289


Compare hbase vs hdfs?

26


Explain the Job OutputFormat?

692


Who invented hadoop?

408


Command to format the NameNode?

628






List some commonly used Machine Learning Algorithm Apache Spark?

186


What is the difference between map and reduce?

342


How to get the single file as the output from MapReduce Job?

365


What is the replica placement Strategy in Cassandra ?

52


What features from relational databases or hive are not available in impala?

63


What is in memory in spark?

185


What is MapFile?

644


What is cluster in apache spark?

220


Explain what does the conf.setMapper Class do in MapReduce?

376


What is Apache Spark Streaming?

198