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

Do we need to place 2nd and 3rd data in rack 2 only?

485

Is nosql follow relational db model?

504

What are the different clustering in mahout?

What does apache mahout do?

What is the difference between apache mahout and apache spark’s mllib?

What is the roadmap for apache mahout version 1.0?

What is apache mahout?

Mention some machine learning algorithms exposed by mahout?

What are the features of apache mahout?

How can we scale apache mahout in cloud?

What is the roadmap for apache driver version one.0?

How is it different from doing machine learning in r or sas?

What square measure the options of apache mahout?

What is the distinction between apache driver and apache spark’s mllib?

How is it completely different from doing machine learning in r or sas?

Un-Answered Questions { Hadoop }

What is Input Split in hadoop?

1045

What OS Cassandra supports?

What is Interceptor?

111

How do I stop flume agent?

What is the difference between hbase and hadoop/hdfs?

177

What is a block in HDFS, why block size 64MB?

What is non-dfs used in hdfs web console

How does job tracker schedule a job for the task tracker?

489

What is the default replication factor in Hadoop and how will you change it?

643

What is Hadoop Custom partitioner ?

1047

What is the InputSplit in map reduce ?

1075

Is the keyword ‘DEFINE’ as a function name?

605

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

474

how can you check whether Namenode is working beside using the jps command?

725

What is spark vs hadoop?

295

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