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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain what is the row key?

149

Can the region server will be located on all datanodes?

316

What is the meaning of compaction in hbase?

167

Discuss how you can use filters in apache hbase

162

Explain jmx concerning hbse

174

What is a bloom filter?

162

Explain what is hbase?

153

hbase support syntax structure like sql. Yes or no?

200

What happens if you alter the block size of a column family on an already occupied database?

218

Define the term thrift

134

Explain what does hbase consists of?

159

Why to use hbase?

154

Explain what happens if you alter the block size of a column family on an already occupied database?

168

Explain totuple function?

603

Explain avrostorage function?

631

Un-Answered Questions { Big Data }

What are the various input and output types supported by mapreduce?

630

What is Geo-Replication in Kafka?

872

What is the reason for creating a new metastore_db whenever Hive query is run from a different directory?

992

What does hadoop-metrics.properties file do?

530

What are the different zkclientbindings?

How many operational command in hbase?

183

As part of optimizing the queries in hive, what should be the order of table size in a join query?

703

What is kafka topic?

549

What is inputformat in hadoop?

751

What is spark vs hadoop?

283

Does Apache Spark provide check pointing?

404

What is Counter in MapReduce?

680

What is partitioner and its usage?

695

What do you know by storage and compute node?

697

Define HDFS and talk about their respective components?

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