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Spark architecture refers to the structure of Apache Spark, a distributed computing framework.
Spark architecture consists of a cluster manager, worker nodes, and a driver program.
The cluster manager allocates resources and schedules tasks across worker nodes.
Worker nodes execute tasks in parallel and store data in memory or disk.
The driver program coordinates the execution of tasks and manages the overall workflow.
Spar...
Optimizing Spark jobs involves tuning configurations, partitioning data, using appropriate data structures, and leveraging caching.
Tune Spark configurations for optimal performance
Partition data to distribute workload evenly
Use appropriate data structures like DataFrames or Datasets
Leverage caching to avoid recomputation
Optimize shuffle operations to reduce data movement
It was also very easy.
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
PySpark architecture is a distributed computing framework that combines Python and Spark to process big data.
PySpark architecture consists of a driver program, cluster manager, and worker nodes.
The driver program is responsible for creating SparkContext, which connects to the cluster manager.
Cluster manager allocates resources and schedules tasks on worker nodes.
Worker nodes execute the tasks and return results to the ...
Skewed partitioning is when data is not evenly distributed across partitions, leading to performance issues.
Skewed partitioning can occur when a key column has a few values that are much more common than others.
It can lead to uneven processing and resource utilization in distributed systems like Hadoop or Spark.
To address skewed partitioning, techniques like data skew detection, data skew handling, and data skew preven
MDM (Master Data Management) typically consists of three layers: operational, analytical, and data governance.
Operational layer: manages the day-to-day data operations and transactions.
Analytical layer: focuses on data analysis and reporting for decision-making.
Data governance layer: ensures data quality, security, and compliance.
Example: In a retail company, the operational layer manages customer transactions, the ana...
What people are saying about Ernst & Young
I applied via Recruitment Consulltant and was interviewed before Jul 2022. There were 4 interview rounds.
Mostly coding questions on Python, pyspark and SQL of medium difficulty.
Ernst & Young interview questions for designations
I applied via Referral and was interviewed before Jan 2021. There were 5 interview rounds.
I applied via Iprimed Consultancy and was interviewed before Jan 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Feb 2021. There was 1 interview round.
posted on 12 Dec 2015
I applied via Referral
Lean manufacturing is a systematic approach to identifying and eliminating waste in the production process.
Focuses on continuous improvement
Aims to increase efficiency and reduce costs
Involves all employees in the process
Uses tools such as value stream mapping and 5S
Examples include Toyota Production System and Kaizen
My strengths include strong analytical skills, attention to detail, and effective communication.
Strong analytical skills
Attention to detail
Effective communication
My passion for learning and growth drives me to excel in my work and take on new challenges.
I am motivated by the opportunity to learn and develop new skills
I thrive in challenging environments that push me to grow
I am driven by a desire to make a positive impact and contribute to the success of my team and organization
Leadership is the ability to inspire and guide a team towards a common goal.
Setting a clear vision and goals for the team
Communicating effectively with team members
Motivating and empowering team members
Leading by example
Encouraging collaboration and teamwork
Taking responsibility for team successes and failures
Providing constructive feedback and coaching
Adapting to changing circumstances and making tough decisions
Buildi
I introduced a new project management tool and streamlined the communication process.
Implemented a project management tool to track progress and deadlines
Created a communication plan to ensure all team members were informed and updated
Established regular check-ins to monitor progress and address any issues
Encouraged collaboration and teamwork to improve efficiency
Trained team members on the new tool and communication p
Yes, overall happy but would change some decisions.
I am content with my career choice but would have pursued a different major in college.
I am happy with my relationships but would have ended some toxic ones earlier.
I am satisfied with my current location but would have traveled more in my younger years.
I am grateful for my experiences but would have taken more risks and stepped out of my comfort zone.
ISB and ITC offer unique opportunities for growth and development that an MBA after IIT may not provide.
ISB offers a diverse and experienced cohort, world-class faculty, and a strong alumni network.
ITC is a renowned company with a strong focus on sustainability and social responsibility.
An MBA after IIT may not provide the same level of exposure to industry leaders and practical business experience.
ISB and ITC align wi...
Developed and implemented a new project management system resulting in a 20% increase in project efficiency.
Identified inefficiencies in current project management system
Researched and evaluated potential solutions
Collaborated with team to design and implement new system
Provided training and support to team members
Measured and analyzed results, resulting in a 20% increase in project efficiency
McKinsey and BCG interviews differ in their approach and focus.
McKinsey focuses more on structured problem-solving and case interviews.
BCG emphasizes on fit and personal experience.
McKinsey interviews are more quantitative and analytical.
BCG interviews are more qualitative and behavioral.
Both firms have their unique interview styles and evaluation criteria.
ISB offers a unique learning experience with its diverse student body, world-class faculty, and strong industry connections.
ISB's diverse student body provides a global perspective and networking opportunities.
World-class faculty with extensive industry experience ensures practical learning.
Strong industry connections provide access to top companies for internships and placements.
ISB's focus on leadership development a...
As a team leader at XYZ Corp, I led a team of 10 in a project to increase sales by 20% in 6 months.
Led a team of 10 in a sales project at XYZ Corp
Developed and implemented strategies to increase sales by 20% in 6 months
Provided guidance and support to team members to achieve project goals
Monitored progress and made adjustments as needed to ensure success
Facilitated communication and collaboration among team members
Reco...
My leadership style is collaborative and empowering.
I believe in involving team members in decision-making processes
I encourage open communication and feedback
I provide support and resources to help team members succeed
I lead by example and set high standards for myself and others
I recognize and celebrate team members' achievements
For example, when working on a project, I would gather input from all team members and as...
Lean manufacturing is a systematic approach to minimize waste and maximize value in production processes.
Focuses on continuous improvement
Eliminates non-value added activities
Involves all employees in the process
Uses tools like Kanban, 5S, and Kaizen
Examples include Toyota Production System and Just-In-Time manufacturing
Implemented a new customer service system resulting in a 20% increase in customer satisfaction
Developed and implemented a new customer service system
Conducted training sessions for customer service representatives
Monitored customer feedback and made necessary improvements
Increased customer satisfaction by 20%
I applied via Referral
I applied via Walk-in
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based on 6 reviews
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