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?

212

What is the meaning of compaction in hbase?

116

Discuss how you can use filters in apache hbase

112

Explain jmx concerning hbse

119

What is a bloom filter?

121

Explain what is hbase?

111

hbase support syntax structure like sql. Yes or no?

152

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

157

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?

132

Explain totuple function?

341

Explain avrostorage function?

322

Un-Answered Questions { Big Data }

How to insert records in apache tajo?

when do reducers play their role in a mapreduce task?

360

What is a Block Scanner in HDFS?

When is it suggested to use a combiner in a MapReduce job?

389

How do I check my spark status?

186

Why are spark transformations lazy?

184

Which language is not supported by spark?

235

How hadoop mapreduce works?

371

What are the important differences between apache and hadoop?

396

Where sorting is done in Hadoop MapReduce Job?

393

How does yarn work with spark?

185

Discuss the precautions that are needed to take care while adding a column?

Explain about the scalar datatypes in Apache Pig?

556

How does Cassandra perform write function?

What are the benefits of apache kafka over the traditional technique?

725

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