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Performance testing focuses on evaluating the speed, responsiveness, and stability of a system, while performance engineering involves designing and optimizing the system for optimal performance.
Performance testing is the process of testing the performance characteristics of a system under specific conditions.
Performance engineering is the proactive approach of designing, building, and optimizing a system for opti...
CPU bottleneck can be handled by optimizing code, upgrading hardware, and load balancing.
Identify the root cause of the CPU bottleneck through performance monitoring tools.
Optimize the code by identifying and fixing inefficient algorithms or resource-intensive operations.
Upgrade hardware by adding more powerful CPUs or increasing the number of cores.
Implement load balancing techniques to distribute the workload ac...
Performance bottleneck can occur in various areas of an application.
Database queries and indexing
Network latency and bandwidth
CPU and memory usage
Code inefficiencies and poor algorithms
Third-party integrations
Hardware limitations
User load and concurrency
Application architecture
Caching and session management
Security measures
External factors such as weather or power outages
Load balancing is the process of distributing network traffic across multiple servers to optimize performance and prevent overload.
Load balancing improves scalability and availability of applications.
It ensures that no single server is overwhelmed with traffic.
Load balancers can use various algorithms to distribute traffic, such as round-robin, least connections, or IP hash.
Examples of load balancing technologies ...
Yes
During load testing of a web application, memory usage gradually increased over time
Identified the memory leak by monitoring memory consumption using performance testing tools
Investigated the code and found a section where objects were not being properly released
Fixed the memory leak by implementing proper object disposal and memory management techniques
Performance engineering is the process of designing, implementing, and optimizing systems to meet performance requirements.
Performance engineering involves analyzing and understanding performance requirements
It includes designing and implementing systems to meet those requirements
Optimizing systems through load testing, stress testing, and performance tuning
Performance engineering also involves monitoring and anal...
My expected CTC is negotiable based on the job responsibilities, company size, and industry standards.
My expected CTC is based on my experience, skills, and qualifications.
I have researched the market rates for Performance Testers in similar roles and industries.
I am open to discussing the compensation package and benefits offered by the company.
I believe in a fair and competitive salary that aligns with my expert...
Memory leak is a software issue where allocated memory is not released, leading to memory consumption and performance degradation.
Memory leak occurs when a program fails to deallocate memory that is no longer needed.
It can happen due to programming errors like not freeing allocated memory or losing references to it.
Memory leaks can cause the program to consume excessive memory, leading to performance issues and cr...
I appeared for an interview before Jun 2016.
Performance testing focuses on evaluating the speed, responsiveness, and stability of a system, while performance engineering involves designing and optimizing the system for optimal performance.
Performance testing is the process of testing the performance characteristics of a system under specific conditions.
Performance engineering is the proactive approach of designing, building, and optimizing a system for optimal p...
Memory leak is a software issue where allocated memory is not released, leading to memory consumption and performance degradation.
Memory leak occurs when a program fails to deallocate memory that is no longer needed.
It can happen due to programming errors like not freeing allocated memory or losing references to it.
Memory leaks can cause the program to consume excessive memory, leading to performance issues and crashes...
Performance bottleneck can occur in various areas of an application.
Database queries and indexing
Network latency and bandwidth
CPU and memory usage
Code inefficiencies and poor algorithms
Third-party integrations
Hardware limitations
User load and concurrency
Application architecture
Caching and session management
Security measures
External factors such as weather or power outages
CPU bottleneck can be handled by optimizing code, upgrading hardware, and load balancing.
Identify the root cause of the CPU bottleneck through performance monitoring tools.
Optimize the code by identifying and fixing inefficient algorithms or resource-intensive operations.
Upgrade hardware by adding more powerful CPUs or increasing the number of cores.
Implement load balancing techniques to distribute the workload across ...
Performance engineering is the process of designing, implementing, and optimizing systems to meet performance requirements.
Performance engineering involves analyzing and understanding performance requirements
It includes designing and implementing systems to meet those requirements
Optimizing systems through load testing, stress testing, and performance tuning
Performance engineering also involves monitoring and analyzing...
Yes
During load testing of a web application, memory usage gradually increased over time
Identified the memory leak by monitoring memory consumption using performance testing tools
Investigated the code and found a section where objects were not being properly released
Fixed the memory leak by implementing proper object disposal and memory management techniques
I want to join Misys because of their reputation for innovation and their commitment to excellence in the field of performance testing.
Misys is known for their cutting-edge technology and solutions in the financial services industry
I am impressed by Misys' track record of delivering high-quality products and services to their clients
I believe that Misys offers a great opportunity for professional growth and development...
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I applied via Naukri.com and was interviewed before Mar 2023. There were 3 interview rounds.
Create immutable Arraylist.
I'm seeking a change to pursue new challenges, enhance my skills, and contribute to innovative projects in a dynamic environment.
Career Growth: I'm looking for opportunities that offer a clear path for advancement, such as leading projects or mentoring junior engineers.
Skill Development: I want to work with new technologies and methodologies, like cloud computing or DevOps practices, to broaden my expertise.
Cultural Fi...
I appeared for an interview in Sep 2024.
C programming and java
Advanced coding on c
I chose this company because of its innovative projects, strong company culture, and opportunities for growth.
Innovative projects that challenge me and allow me to learn new skills
Strong company culture that values teamwork and collaboration
Opportunities for growth and advancement within the company
My aim is to continuously improve my technical skills, contribute to innovative projects, and eventually become a technical leader in the field.
Continuous learning and skill development
Contribution to innovative projects
Becoming a technical leader in the field
I applied via Approached by Company
Sort the arr, fetch element from array
Searching a linked list involves traversing nodes to find a specific value or element efficiently.
A linked list consists of nodes, each containing data and a reference to the next node.
To search, start from the head node and traverse until the desired value is found or the end is reached.
Example: In a list 1 -> 2 -> 3, searching for '2' involves checking each node sequentially.
Time complexity for searching in a l...
Sorting in a linked list involves rearranging the elements in ascending or descending order based on a certain criteria.
Use a sorting algorithm like bubble sort, selection sort, or merge sort to rearrange the elements in the linked list.
Traverse the linked list and compare each element with the next one to determine the order in which they should be sorted.
Update the pointers of the nodes in the linked list to reflect ...
I applied via Approached by Company and was interviewed before Jun 2021. There were 2 interview rounds.
Frameworks provide structure and pre-built components for software development, but can also limit flexibility and require learning curve.
Advantage: Provides structure and pre-built components for faster development
Advantage: Can improve code quality and maintainability
Disadvantage: Can limit flexibility and customization
Disadvantage: Requires learning curve and potential dependency issues
Example: ReactJS provides a fr...
Oops stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent real-world entities.
Advantages: code reusability, modularity, encapsulation, inheritance, polymorphism
Disadvantages: complexity, steep learning curve, performance overhead
Example: creating a class 'Car' with properties like 'make', 'model', and 'year', and methods like 'start_engine' and 'stop_engine'
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
Round duration - 50 minutes
Round difficulty - Easy
This was a Data Structural round.
Given a two-dimensional array/list consisting of integers 0s and 1s, where 1 represents land and 0 represents water, determine the number of distinct islands. A group of...
Count the number of distinct islands in a 2D array of 0s and 1s.
Identify islands by performing depth-first search (DFS) on the grid
Use a set to store the shape of each island and check for duplicates
Consider translations to determine distinct islands
Round duration - 50 minutes
Round difficulty - Easy
This was a Data Structural round.
You are tasked with arranging 'N' words of varying lengths such that each line contains at most 'M' characters, with each word separated by a space. The challenge is to minimiz...
The goal is to minimize the total cost of arranging 'N' words on each line with a maximum character limit 'M'.
Calculate the cost of each line as the cube of extra space characters needed to reach 'M'.
Minimize the total cost by arranging words to fit within the character limit on each line.
Ensure each word appears fully on one line without breaking across lines.
Round duration - 60 minutes
Round difficulty - Easy
This was a System Design round.
Design a system similar to Red Bus for handling bookings and onboarding vendors and customers.
Implement a user-friendly interface for customers to search and book tickets
Create a vendor portal for vendors to manage their offerings and availability
Include payment gateway integration for secure transactions
Develop a robust backend system for managing bookings, cancellations, and refunds
Utilize a database to store user in...
Round duration - 50 minutes
Round difficulty - Easy
This was a System Design round
Round duration - 50 minutes
Round difficulty - Easy
This was an HR round.
Tip 1 : Practice as much as you can.
Tip 2 : Prepare for company, not in general.
Tip 3 : Your past work should be objective and your contribution should be very clear
Tip 1 : Keep only relevant things for the job you are applying.
Tip 2 : Minimal data with measurable contribution and effect.
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
Round duration - 1 hour
Round difficulty - Medium
You are provided with an integer array ARR
of length 'N'. Your objective is to determine the first missing positive integer using linear time and constant space. T...
Tip 1 : During an interview, never say that you don't know the answer, keep trying and the interviewer will help you himself.
Tip 2 : Keep speaking up the approach going on in your mind, they want to judge your approaches much more than whether the answer is right or wrong.
Tip 3 : Be confident, cheerful, keep smiling, and continue making eye contact with the interviewer, this leaves a positive impression.
Tip 4 : Search and practice questions specific to the company, questions are repeated several times.
Tip 5 : A sound knowledge of Microsoft Azure Services and cloud computing will be an icing on the cake, and increase your chances to get selected.
Tip 6 : Keep giving contests on coding platforms, it will help you to stay motivated and check your stand.
Tip 7 : Keep a daily goal of number of questions instead of the time duration.
Tip 1 : Everything mentioned on the resume should be thoroughly known to you since if they catch you being dishonest, pretty good coding skills also might not help.
Tip 2 : Have projects related to the same field you are trying to apply for mentioned in your resume, this shows you are already experienced in the field.
Tip 3 : Adding references of some experienced people of the same field might help you gain their trust.
Tip 4 : Do not keep your resume too long, and do not mention irrelevant details, keep it short and crisp.
Tip 5 : Some experience in the field of operations and management or some positions of responsibility will really help you score extra points since it shows you have leadership qualities and are familiar with the market along with super coding skills.
posted on 15 Sep 2021
I appeared for an interview before Sep 2020.
Round duration - 90 minutes
Round difficulty - Easy
This round was the online coding test conducted on the platform Mettl. The languages allowed were C, C++, Java and Python. There were three questions. One was of graphs (Depth-first search), other was a big integer problem and the third was a string problem.
You are provided with a graph consisting of N
vertices, numbered from 1 to N
, and M
edges. Your task is to color the graph using two colors, Blue and Red, such that no two...
Given a graph with vertices and edges, determine if it can be colored using two colors without adjacent vertices sharing the same color.
Check if the graph is bipartite using graph coloring algorithm like BFS or DFS.
If the graph is bipartite, return 'Possible' with a valid coloring assignment.
If the graph is not bipartite, return 'Impossible'.
Write a program to perform basic string compression. For each character that repeats consecutively more than once, replace the consecutive duplicate occurrences with t...
Write a program to compress a string by replacing consecutive duplicate characters with the character followed by the number of repetitions.
Iterate through the string and count consecutive occurrences of each character
Append the character and its count to a new string
Return the compressed string if it is shorter than the original, else return the original string
Handle edge cases like single characters or when compresse...
Round duration - 60 minutes
Round difficulty - Easy
This was a pen and paper subjective interview round. You were expected to write full code on paper. Make sure you use proper names for the variables and write comments explaining very clearly what the code does. Also, try writing code in good handwriting which can be understood by the interviewer.
Count total palindromic substrings in a given string.
Iterate through each character in the string and consider it as the center of a palindrome. Expand outwards to find all palindromic substrings.
Use dynamic programming to efficiently check if a substring is a palindrome.
Consider both odd-length and even-length palindromes.
Example: Input 'ababa', output 7 (a, b, a, b, a, aba, aba)
Round duration - 45 minutes
Round difficulty - Easy
The interview took place in the morning and the interviewer was very friendly.
Let A[0 ... n-1]
be an array of n
distinct positive integers. An inversion of A
is a pair of indices (i, j)
such that i < j
and A[i] > A[j]
. Given an integer array...
Count the number of inversions in an array of distinct positive integers.
Use merge sort algorithm to count inversions efficiently.
Divide the array into two halves and recursively count inversions in each half.
Merge the two sorted halves while counting split inversions.
Time complexity can be optimized to O(n log n) using merge sort.
Example: For input A = [2, 4, 1, 3, 5], the output should be 3.
Transform a given binary tree into a sum tree where each node is replaced by the sum of its immediate children's values. Leaf nodes should be replaced with 0. Then, p...
Convert a binary tree into a sum tree by replacing each node with the sum of its children's values, and return the preorder traversal.
Traverse the tree recursively and replace each node with the sum of its children's values
Leaf nodes should be replaced with 0
Perform a preorder traversal on the transformed sum tree to get the final result
Round duration - 30 minutes
Round difficulty - Easy
The HR Interview round was held in the morning and it was right after my technical interview.
Just be confident during interview and if you are stuck in between any question, then ask for a hint from the interviewer. The practice is key for success, so practice hard for Data Structures and Algorithms coding problems on Coding ninjas as it is the best platform for coding. Also you may practice on Geeks For Geeks or any other interview portal.
Application resume tips for other job seekersMention all internships which you have done, as it increases your chances of shortlisting your resume. Also just write that skills which you are pretty confident about.
Final outcome of the interviewSelectedposted on 8 Apr 2021
A generic swap function swaps two values of any data type.
The function should take two parameters of any data type.
Use a temporary variable to store the value of one parameter.
Assign the value of the second parameter to the first parameter.
Assign the value of the temporary variable to the second parameter.
Search for an element in a rotated sorted linked list.
Find the pivot point where the list is rotated.
Divide the list into two sublists based on the pivot point.
Perform binary search on the appropriate sublist.
Handle edge cases such as empty list and list with only one element.
Search an element in a rotated sorted array
Find the pivot point where the array is rotated
Divide the array into two sub-arrays based on pivot point
Perform binary search on the appropriate sub-array
Repeat until element is found or sub-array size is 1
Given a Sudoku board, find possible numbers for an empty cell.
Iterate through empty cells and check possible numbers using row, column, and box constraints.
Use a set to keep track of possible numbers for each empty cell.
Return the set of possible numbers for the given empty cell.
Find integer average of 4 unsigned integers without typecasting
Add all the integers and divide by 4
Use bit shifting to divide by 4
Handle overflow by using long long data type
Use unsigned int data type for input
Code to identify 32 bit or 64 bit architecture of a processor
Check if the operating system is 32 bit or 64 bit
If OS is 32 bit, processor is 32 bit
If OS is 64 bit, check if processor supports 64 bit architecture
Use CPUID instruction to check if processor supports 64 bit architecture
Convert binary number to base 64 integer
Divide the binary number into groups of 6 bits
Convert each group of 6 bits to decimal
Map the decimal value to the corresponding base 64 character
Concatenate the base 64 characters to form the final integer
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