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Big Data Developer Interview Questions
1,784 big data developer interview questions shared by candidates
All big data concept and python programming, Pyspark program
What are Spark optimisation technique’s ?
class male female 1 2 1 2 0 2 3 2 0 class gender 1 m 1 f 1 m 2 f 2 f 3 m 3 m Using pyspark take the data from table1 and dump into another table in the format of table2 as given . Also please do vice-versa Question 2: dept salary 1 10 1 20 2 40 2 50 2 90 2 80 1 100 1 70 using pyspark sort the datasets as per salary and print out third highest row for each dept Question 3: How you the offset works in KAFKA , also write the syntax for it
Basic MapReduce and Java questions. Covered other components in Hadoop eco system (Hive, Sqoop and Oozie). Few questions Spark performance and architecture.
related to SPARK and HIVE, very high level nothing in depth, can easily handled by guy working in BIg data from last 6 months
What are your views on JAVA programming language?
Questions were on Big Data technologies for me focused on Spark, SQL, Hive, Python.
Basic questions on hadoop and PySpark.
Why do you want to work here
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