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

Big Data Interview Questions

Questions Answers Views Company eMail

Clarify about the smb join in hive?

658

What is the throughput? How does hdfs give great throughput?

How does hdfs ensure information integrity of data blocks squares kept in hdfs?

What do you mean by block scanner in hdfs?

What do you mean by meta information in hdfs? List the documents related to metadata.

What does heartbeat in hdfs means?

What does hdfs mean?

Would you be able to change the block size of hdfs files?

Characterize data integrity? How does hdfs ensure information integrity of data blocks squares kept in hdfs?

Does hdfs enable a customer to peruse a record, which is already opened for writing?

What is the throughput?

How does hdfs give great throughput?

Will various customers write into an hdfs record simultaneously?

Clarify the difference between nas and hdfs.

What do you mean by meta information in hdfs?

Un-Answered Questions { Big Data }

Explain parquet file?

282

What are the different clustering in mahout?

Explain HCatInputFormat?

What is the default level of parallelism in apache spark?

395

Is it possible to iterate through the rows of HBase table in reverse order?

214

What is Client API?

281

What is document store db?

What is deploy mode in spark?

304

Explain about ACID transactions in Hive?

732

What are 'slaves' and 'masters' in Hadoop?

419

Explain schemardd?

359

What are the hadoop's three configuration files?

696

What is Nagios?

224

Why are we using Flume?

What are Guarantees provided by Kafka?

524

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