What is combiner in Map Reduce?
Big Data Analyst Interview Questions
1,784 big data analyst interview questions shared by candidates
spark, hdfs, hive, kafka, unix, sql, python
1. Fibonacci series and variations of it 2. String manipulation Time and space complexity
Python libraries like pandas, numpy etc
Reasoning questions include scenario based given 2 statements which of following is true(difficult), picture based( weight problem), one 'for' loop program question,jumbling characters problem, one % based problem. techical include one MR program to print files output based on month and find no of sundays in each month. couple of spark and kafka questions. mostly on rdd . nit sure what it is.
deep technical coding questions on python list related, sql rank, sql join n sql functions, unix command questions spark coding questions. hive, spark basics architecture
About buckets, maps, analytical function, udf etc
Mostly ask about hadoop and spark and scala
Spark, Hive, Hadoop questions
Repartiton and colaesce, why we are going for shuffuling if any image processed data are incoming what you choose to process many spark sql questions
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