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Big Data Interview Questions
Questions Answers Views Company eMail

What is difference between hive and hdfs?

625

What is skew data in hive?

698

Is kafka an etl tool?

458

What language is apache kafka written in?

533

What is zookeeper server?

1

What is the difference between map and reduce?

625

What is optimal size of a file for distributed cache?

635

What can skew the mean?

282

What is vectorized query execution?

313

What is map side join?

303

What does dag stand for?

295

What is data ingestion pipeline?

320

What is the difference between reducebykey and groupbykey?

295

What is data skew and how do you fix it?

332

Is databricks a database?

314


Un-Answered Questions { Big Data }

What is the difference between client mode and cluster mode in spark?

320


What is the data storage component used by Hadoop?

619


How message is consumed by consumer in kafka?

480


What are the port numbers of job tracker?

525


What happen if one of the datanodes has much slower cpu?

431


What are the consistency levels for read operations in Cassandra?

96


In which scenario Pig is better fit than MapReduce?

835


What are the characteristics of hadoop framework?

668


What are Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift?

622


How can you achieve high availability in Apache Spark?

431


How to control access to data in impala?

47


What is a Block Scanner in HDFS?

93


what does the text input format do?

813


what is the meaning of broker in Kafka?

541


Explain partitions?

278