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Big Data Interview Questions
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1)What are your 5 strengths and 5 weaknesses? 2) Lets say you have an assignment (client based) and the deadline is getting close. Your manager or boss has given you the initial specifications but you have discovered a problem with them. What do you do? The boss or manager is unreachable.
What is hive
i) Spark architecture ii) Difference between RDDs, DataFrames and Datasets iii) What is fault tolerance and how does spark handle it iv) Memory management and garbage collection in Spark v) One SparkSQL based question vi) One PySpark based question vii) ETL implementation in AWS Glue
Explain the specific challenges or obstacles you faced. Action: Detail the steps you took to address the challenge. Highlight your critical thinking, technical skills, and any tools or methodologies you used.
The skill test included some low level data structure & algorithm questions. They were not very hard but unfortunately I was not at my best at the second interview (also did not feel so good health wise)
what is implicits? what is accumulator? what is broadcast variable? partition and bucketing colease and redistribution. rdd and dataframe what is mapping what is val and var
Multi Threading, method override, Map R questions, hadoop cluster configurations,
About my previous Project
some SQL problem that examined knowledge about the JOIN function
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