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GSPANN Technologies
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I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.
They ask you to share your screen and ask you to write the code. It is easy if you have prepared well
Aggregation & grouping in Spark
Aggregation is the process of combining data from multiple sources into a single result
Grouping is the process of dividing data into groups based on a specific criteria
Spark provides various functions for aggregation and grouping such as groupBy, reduceByKey, aggregateByKey, etc.
These functions can be used to perform operations like sum, count, average, etc. on grouped data
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posted on 21 Nov 2020
posted on 20 Apr 2022
I applied via Recruitment Consulltant and was interviewed before Apr 2021. There was 1 interview round.
NoSQL databases are non-relational databases that store and retrieve data in a non-tabular format.
Document-oriented databases (MongoDB, Couchbase)
Key-value stores (Redis, Riak)
Column-family stores (Cassandra, HBase)
Graph databases (Neo4j, OrientDB)
Scaling refers to the process of increasing or decreasing the capacity of a system to handle more or less load.
Vertical Scaling: Adding more resources to a single node
Horizontal Scaling: Adding more nodes to a system
Load Balancing: Distributing the load across multiple nodes
Database Sharding: Splitting a database into smaller parts to distribute the load
Caching: Storing frequently accessed data in memory for faster acc
I applied via Recruitment Consultant and was interviewed in May 2019. There were 3 interview rounds.
I applied via Approached by Company and was interviewed before Apr 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2020. There were 3 interview rounds.
I applied via LinkedIn and was interviewed before Nov 2021. There were 2 interview rounds.
OOPs concepts are the principles of object-oriented programming. Function pointers are pointers that point to functions.
OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation is the process of hiding implementation details and exposing only necessary information.
Inheritance is the process of creating new classes from existing ones.
Polymorphism is the ability of objects to take on ...
I applied via Recruitment Consulltant and was interviewed before Sep 2021. There were 3 interview rounds.
This was a very easy test. It can be crackable easily.
Junit test cases should always be re-run to ensure code quality and prevent regression.
Junit test cases should be run after every code change.
Test cases should cover all possible scenarios and edge cases.
Test cases should be automated to save time and ensure consistency.
Test cases should be reviewed and updated regularly.
Regression testing should be performed to ensure new changes do not break existing functionality.
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5-14 Yrs
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