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I applied via Naukri.com and was interviewed in Jun 2024. There were 3 interview rounds.
Sample data and its transformations
Sample data can be in the form of CSV, JSON, or database tables
Transformations include cleaning, filtering, aggregating, and joining data
Examples: converting date formats, removing duplicates, calculating averages
Seeking new challenges and opportunities for growth in a more dynamic environment.
Looking for new challenges and opportunities for growth
Seeking a more dynamic work environment
Interested in expanding skill set and knowledge
Want to work on more innovative projects
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
Spark architecture is based on a master-slave architecture with a cluster manager to coordinate tasks.
Spark architecture consists of a driver program that communicates with a cluster manager to coordinate tasks.
The cluster manager allocates resources and schedules tasks on worker nodes.
Worker nodes execute the tasks and return results to the driver program.
Spark supports various cluster managers like YARN, Mesos, and s...
There will be 4 stages created in total for the spark job.
Wide transformations trigger a shuffle and create a new stage.
Narrow transformations do not trigger a shuffle and do not create a new stage.
In this case, 3 wide transformations will create 3 new stages and 2 narrow transformations will not create new stages.
Therefore, a total of 4 stages will be created.
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
I applied via Walk-in and was interviewed before Jul 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Jan 2021. There were 2 interview rounds.
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