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I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
I applied via Walk-in and was interviewed before Feb 2020. There was 1 interview round.
Spark has a master-slave architecture with a cluster manager and worker nodes.
Spark has a driver program that communicates with a cluster manager to allocate resources and schedule tasks.
The cluster manager can be standalone, Mesos, or YARN.
Worker nodes execute tasks and store data in memory or on disk.
Spark can also utilize external data sources like Hadoop Distributed File System (HDFS) or Amazon S3.
Spark supports va...
Basic Questions on python related to strings
Choosing the right technology depends on the specific requirements of the situation.
Consider the data size and complexity
Evaluate the processing speed and scalability
Assess the cost and availability of the technology
Take into account the skillset of the team
Examples: Hadoop for big data, Spark for real-time processing, AWS for cloud-based solutions
I applied via Approached by Company and was interviewed in Nov 2023. There were 2 interview rounds.
Worked on ETL projects involving data extraction, transformation, and loading using SQL proficiency.
Developed ETL pipelines to extract data from various sources such as databases, APIs, and flat files
Transformed the extracted data using SQL queries to meet business requirements
Loaded the transformed data into a data warehouse or other target systems
Optimized SQL queries for performance and efficiency
Collaborated with c...
Basic logical and programming questions
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
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