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

List out the commands that are used to start, check the progress and stop the ambari server?

What are the tools that are used in ambari monitoring?

What does ambari shell can provide?

What are the different life cycle commands in ambari?

Before deploying the hadoop instance, what are the checks that an individual should do?

What are the independent extensions that are contributed to the ambari codebase?

What is apache ambari?

114

What are the tools that are needed to build ambari?

What is ganglia is used for in ambari?

What is nagios is used in ambari?

109

What is the latest version of ambari that is available in the market and what is the feature that they have added in it?

What are the areas where ambari helps the system administrators to do?

Give any two features of flume?

102

What is fluming?

161

Does apache flume support third-party plugins?

Un-Answered Questions { Hadoop }

While writing evaluate UDF, which method has to be overridden?

608

State syntax of the command that is used to drop a partition?

List out the commands that are used to start, check the progress and stop the ambari server?

What is the difference between spark and python?

326

what is ODBC and JDBC connectivity in Hive?

724

explain apache hbase?

153

How can you achieve high availability in Apache Spark?

451

Difference Between Hadoop and HDFS?

What is struct and explain its purpose?

573

What is the difference between piglatin and hiveql?

706

Define durable writes?

What alternate way does HDFS provides to recover data in case a Namenode, without backup, fails and cannot be recovered?

What do you understand by the partitions in spark?

333

How can you stop a partition form being queried?

807

State the difference between Spark SQL and Hql

367

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