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

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

State some disadvantages of impala?

What is impala data types?

What are impala architecture components?

State some impala hadoop benefits?

How apache impala works with cdh?

What are the names of daemons in impala?

How to call impala built-in functions?

What are the best features of impala?

Compare hive, hbase, and impala?

What are impala built-in functions?

Does impala support generic jdbc?

How to control access to data in impala?

Mention the best features of Apache Sqoop?

What is Sqoop?

What is the Use of Sqoop?

Un-Answered Questions { Hadoop }

Explain repository in apache ambari?

What is a Heartbeat in Hadoop?

560

What is streaming access?

495

What are the complicated steps in Flume configurations?

144

How does an hadoop application look like or their basic components?

725

Define RDD?

324

What is standalone mode in spark?

343

What is Spark Driver?

304

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

218

What is spark parallelize?

316

Which language is more suitable for text analytics? R or python?

433

Explain Spark Executor

282

Can I do trforms or add new functionality?

What is hbase in hadoop?

648

What is a TaskInstance?

661

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