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

How will format the HDFS ?

1122

what are the steps involved in commissioning adding

948

How to use Apache Zookeeper command line interface?

1205

Can NameNode and DataNode be a commodity hardware?

1736

What are the steps to submit a Hadoop job?

956

What is the heartbeat used for?

1085

How would you tackle counting words in several text documents?

1064

What are the Basics of Hadoop?

966

Explain the shuffle?

959

How blocks are distributed among all data nodes for a particular chunk of data?

1158

How can I install Cloudera VM in my system?

1015

How we can take Hadoop out of Safe Mode?

IBM,

898

What is Writable & WritableComparable interface?

968

What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?

1116

What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?

1075

Un-Answered Questions { Hadoop }

Explain Apache Ambari?

What is the use of Hcatalog?

1000

What is the function of mapreducer partitioner?

682

What is partitioning?

510

What is the use of Bloom Filter in Cassandra?

127

Which filter accepts the page size as the parameter in HBase?

213

Define Nodetool Utility?

What are the filters are available in apache hbase?

157

What are the tools that are used in ambari monitoring?

Is apache spark a tool?

290

Explain the terms Spark Partitions and Partitioners?

314

Is hadoop required for data science?

732

Define standalone mode in hbase?

147

How to write a query in Cassandra?

126

Is hive suitable to be used for oltp systems? Why?

847

For More Un-Answered { Hadoop } Questions Click Here