Apache Spark Interview Questions For 2020
1.What is the version of spark you are using? Check the spark version you are using before going to Interview. As per 2020, the latest version of spark is 2.4.x…
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…