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

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

What do you understand by Filters in HBase?

143

Explain the various table design approaches in HBase?

138

What is table in hbase?

204

Which method is used to access HFile directly without using HBase?

205

Which type of data HBase can store?

154

How to delete the table with the HBase shell?

143

What services run after running hbase job?

168

What is the use of truncate command?

188

Explain MemStore?

176

What is the best practice on deciding the number of column families for HBase table?

168

Which command do we use to run HBase Shell?

197

Define compaction in HBase?

168

Difference between hbase and rdbms?

176

What do you understand by compaction?

158

Does HBase support SQL like syntax?

153

Un-Answered Questions { Hadoop }

Why Flume?

180

Explain key features of Spark

309

What does name-node mean in hadoop?

475

While processing data from hdfs, does it execute code near data?

What is the relationship between Job and Task in Hadoop?

662

What is the use of illustrate in pig?

520

Explain about the core components of Flume?

In hbase what is column families?

174

List the advantage of Parquet file in Apache Spark?

459

Can hadoop replace relational database?

421

Is client the end user in HDFS?

978

Differentiate between Pig Latin and Pig Engine?

847

How can we see only top 15 records from the student.txt out of100 records in the HDFS directory?

579

Define the management tools in Cassandra?

How ordering in hdfs is finished?

424

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