Interview Questions

Top Apache Spark Interview Questions and Answers For 2018

According to StackOverFlow Survey, Apache Spark is Hot, Trending and Highly paid Skill in IT Industry. Apache Spark is extremely popular in the Big Data Analyti…

Hadoop questions Part2

What is input spilt size for 64mb block ,min IS is 32mb and max IS is 128mb. 64kb 67mb 127mb How to Change replication factor in hdfs How to get size of each fi…

Hadoop MapReduce Interview Questions

Hadoop MapReduce Interview Questions and Answers Explain the usage of Context Object. Context Object is used to help the mapper interact with other Hadoop syste…

Hadoop HDFS Interview questions

What is a block and block scanner in HDFS? Block – The minimum amount of data that can be read or written is generally referred to as a “block” in HDFS. T…

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