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EPAM Systems Hadoop Developer Interview Questions and Answers
EPAM Systems Hadoop Developer Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed in May 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Joins window functions in spark, partition vs colsec, performance optimization techniques
- Ans.
The question is about joins, window functions, partition vs colsec, and performance optimization techniques in Spark.
Joins in Spark can be performed using various methods such as broadcast join, shuffle join, and sort-merge join.
Window functions in Spark allow us to perform calculations across a group of rows that are related to the current row.
Partitioning in Spark can be done based on columns or keys, and it affects ...
- Q2. Architecture of hive,types of hive table, file formats in hive, dynamic partition in hive
- Ans.
Hive architecture, table types, file formats, and dynamic partitioning.
Hive architecture consists of metastore, driver, compiler, and execution engine.
Hive tables can be of two types: managed tables and external tables.
File formats supported by Hive include text, sequence, ORC, and Parquet.
Dynamic partitioning allows automatic creation of partitions based on data.
(1 Question)
- Q1. Managerial level questions Some technical Personal growth questions
Interview Preparation Tips
It's recommended to work
Skills evaluated in this interview
Interview questions from similar companies
(2 Questions)
- Q1. Explain over all experience
- Q2. Asked question on Core and advance java topic
(2 Questions)
- Q1. Some advance topic of Java
- Q2. DSA
(2 Questions)
- Q1. Salary expectation
- Q2. Relocation
Selected
I applied via Approached by Company and was interviewed in Nov 2024. There was 1 interview round.
(4 Questions)
- Q1. What is Dependency Injection?
- Q2. How does angular components communicate with each other?
- Q3. How can you optimize a stored procedure in MSSQL?
- Q4. What is Kestrel in .net Core?
Interview Preparation Tips
If you dont know a specific topic, dont bluff, just say so.
Software Engineer Interview Questions & Answers
Hewlett Packard Enterprise
Anonymous
posted on 13 Nov 2024
I applied via Job Portal
(2 Questions)
- Q1. Java programs related to strings
- Q2. Collections question in java
Interview Preparation Tips
nisarga lolage
OS questions, locking and threads etc
Basic questions on Linked list
(2 Questions)
- Q1. IPC mechanisms in OS, process management
- Ans.
IPC mechanisms in OS facilitate communication between processes, while process management involves creating, scheduling, and terminating processes.
IPC mechanisms include shared memory, message passing, and sockets.
Shared memory allows processes to share a portion of memory for communication.
Message passing involves sending and receiving messages between processes.
Sockets enable communication between processes over a ne...
- Q2. Fibonacci series code
(1 Question)
- Q1. What challenging work you did in previous company
- Ans.
Implemented a real-time data processing system to handle large volumes of data efficiently.
Designed and implemented a distributed system using Apache Kafka for real-time data processing.
Optimized data processing algorithms to handle large volumes of data without impacting performance.
Collaborated with cross-functional teams to ensure seamless integration of the system with existing infrastructure.
Skills evaluated in this interview
(2 Questions)
- Q1. C++ fundamental
- Q2. Reverse linked list
(2 Questions)
- Q1. Objext oriented concepts on
- Q2. Java coding pattern
Technical coding questions were asked
(2 Questions)
- Q1. Salary discussions
- Q2. Office location discussion
(1 Question)
- Q1. Brief about yourself and some basic technical questions.
(1 Question)
- Q1. Questions regarding the data pipeline and spark hive hadoop and SQL queries
(1 Question)
- Q1. Some basic questions on process of agile and some techno-managerial questions, and individual confidence check.
Selected
I applied via Naukri.com and was interviewed before Dec 2023. There was 1 interview round.
(1 Question)
- Q1. What is react life cycle?
Selected
I applied via Approached by Company and was interviewed in Oct 2023. There were 3 interview rounds.
2 coding questions and should complete one after another
60 min test with multiple choice questions
(1 Question)
- Q1. Live coding or some questions
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