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General aptitude basics
Mcq and basic ml model building
I applied via LinkedIn and was interviewed in Nov 2022. There were 4 interview rounds.
Questions based on resume and was asked to write code.
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
This Round contains Reasoning, Verbal, Quantitative and Data Interpretation
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I applied via Referral and was interviewed before May 2023. There were 2 interview rounds.
Transformations in Databricks involve manipulating data using functions like map, filter, reduce, etc.
Transformations are operations that are applied to RDDs in Databricks
Common transformations include map, filter, reduce, flatMap, etc.
Transformations are lazy evaluated and create a new RDD
Example: map transformation to convert each element in an RDD to uppercase
Spark is a distributed computing framework for processing big data.
Spark is built around the concept of Resilient Distributed Datasets (RDDs)
It supports various programming languages like Scala, Java, Python, and R
Spark provides high-level APIs like DataFrames and Datasets for structured data processing
It includes libraries for SQL, streaming, machine learning, and graph processing
Spark can run on various cluster manag
Performance enhancements in PySpark involve optimizing code, tuning configurations, and utilizing efficient data structures.
Use partitioning to distribute data evenly across nodes
Cache intermediate results to avoid recomputation
Optimize joins by broadcasting smaller tables
Use efficient data formats like Parquet or ORC
Tune Spark configurations for memory and parallelism
Fractal Analytics interview questions for popular designations
I applied via Campus Placement and was interviewed in Sep 2022. There were 2 interview rounds.
I applied via Approached by Company and was interviewed before Feb 2023. There were 3 interview rounds.
It was a hackerearth test ranging from simple to intermediate
I applied via Campus Placement and was interviewed before Jan 2023. There were 4 interview rounds.
Aptitude test has 70 questions to be done in 75 minutes. It's moderately tough but not very tough with right amount of preparation
I was from non-cs background so coding round was not mandatory but for cs people it was mandatory to clear it. It has SQL and python and they were easy to moderate. I am a fresher (imagineer) so we had to go this interview process
I applied via Campus Placement and was interviewed before Mar 2023. There were 3 interview rounds.
Data analysis, Data Intrepretation, Graph questions, etc.
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There was 1 interview round.
Some of the top questions asked at the Fractal Analytics interview for freshers -
The duration of Fractal Analytics interview process can vary, but typically it takes about less than 2 weeks to complete.
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