Daily Archives: May 12, 2014

Hadoop Interview Questions and Answers Part – 4

Below are a few more hadoop interview questions and answers for freshers and experienced hadoop developers. Hadoop Interview questions and answers 1.  What is the default block size in HDFS ? As of Hadoop-2.4.0 release, the default block size in HDFS is 256 MB and prior to that it was 128 MB. 2.  What is the benefit of large block size in HDFS ? Main benefit of large block size […]

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I have attended Siva’s Spark and Scala training. He is good in presentation skills and explaining technical concepts easily to everyone in the group. He is having excellent real time experience and provided enough use cases to understand each concepts. Duration of the course and time management is awesome. Happy that I found a right person on time to learn Spark. Thanks Siva!!!

Dharmeswaran ETL / Hadoop Developer Spark Nov 2016 September 21, 2017