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?

111

Can the region server will be located on all datanodes?

208

What is the meaning of compaction in hbase?

114

Discuss how you can use filters in apache hbase

112

Explain jmx concerning hbse

115

What is a bloom filter?

117

Explain what is hbase?

109

hbase support syntax structure like sql. Yes or no?

150

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

153

Define the term thrift

Explain what does hbase consists of?

113

Why to use hbase?

113

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

130

Explain totuple function?

331

Explain avrostorage function?

316

Un-Answered Questions { Big Data }

On what basis data will be stored on a rack?

827

Why is Apache Spark faster than Apache Hadoop?

432

Mention what is the use of Context Object?

421

Mention some important features of spm in cassandra?

What is keyvaluetextinputformat?

399

Specify what the information segments utilized by hadoop are?

234

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

668

How is transformation on rdd different from action?

247

What is difference between spark and mapreduce?

186

How is Pig Useful For?

382

Explain bloom?

321

Give some points of hive for hadoop ?

433

How can you control the mapping between SQL data types and Java types?

Explain Apache Ambari architecture?

Main Components of Hadoop?

440

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