About percona
percona Interview Questions and Answers
Updated 21 Feb 2026DevOps Engineer Interview Experience
Candidate: Emily S.
Experience Level: Senior
Applied Via: Company career portal
Difficulty:
Final Result: Rejected
Interview Process
4
Questions Asked
- Explain your experience with container orchestration tools.
- How do you ensure database availability and disaster recovery?
- Describe a CI/CD pipeline you have implemented.
- What monitoring tools do you prefer and why?
- How would you troubleshoot a database replication lag issue?
Advice
Be prepared to discuss both infrastructure automation and database-specific challenges.
Full Experience
The interview process was thorough, starting with a phone screen, followed by technical interviews including a practical scenario. Although I was not selected, the interviewers were professional and provided detailed feedback.
Product Manager Interview Experience
Candidate: David L.
Experience Level: Mid-level
Applied Via: Recruiter outreach
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- How do you gather customer feedback for product improvements?
- Describe your experience working with engineering teams.
- What metrics do you track for product success?
- How familiar are you with open-source database ecosystems?
Advice
Demonstrate strong communication and understanding of database products.
Full Experience
A recruiter contacted me on LinkedIn. The first interview was with HR, the second with the product team, and the last with engineering leadership. Each round focused on different skills, and I appreciated the collaborative atmosphere.
Technical Support Engineer Interview Experience
Candidate: Chloe R.
Experience Level: Senior
Applied Via: LinkedIn job posting
Difficulty:
Final Result:
Interview Process
2
Questions Asked
- How do you prioritize support tickets?
- Describe a time you resolved a difficult customer issue.
- What experience do you have with Percona products?
- How do you document troubleshooting steps?
Advice
Highlight your customer service skills and technical knowledge of databases.
Full Experience
I applied via LinkedIn and had a quick phone interview to discuss my background. The second round was a video call with the support team lead, focusing on real-life problem-solving and communication skills. The team was welcoming and the process was smooth.
Software Engineer Interview Experience
Candidate: Brian K.
Experience Level: Entry-level
Applied Via: Referral from current employee
Difficulty:
Final Result: Rejected
Interview Process
4
Questions Asked
- Implement a function to detect cycles in a linked list.
- Explain ACID properties in databases.
- Describe your experience with version control systems.
- How would you handle concurrency in a multi-threaded environment?
- What do you know about Percona's open-source tools?
Advice
Prepare for coding challenges and understand database fundamentals well.
Full Experience
The process started with a recruiter call, followed by a coding test. Then I had two technical interviews focusing on algorithms and system design. Although I didn't get the offer, the interviewers provided helpful feedback on improving my coding skills.
Database Administrator Interview Experience
Candidate: Alice M.
Experience Level: Mid-level
Applied Via: Online application via company website
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Explain how you would optimize a slow-running query in MySQL.
- Describe your experience with backup and recovery strategies.
- How do you monitor database performance?
- What are the differences between Percona Server and standard MySQL?
Advice
Brush up on MySQL internals and be ready to discuss real-world troubleshooting scenarios.
Full Experience
I applied through Percona's careers page and was contacted within a week. The first round was a phone screen focusing on my background and basic database concepts. The second round was a technical interview with scenario-based questions. The final round was a practical test where I had to analyze and optimize queries. The interviewers were friendly and focused on problem-solving skills.
Frequently Asked Questions in percona
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Common Interview Questions in percona
Q: A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?
Q: Consider a pile of Diamonds on a table. A thief enters and steals 1/2 of the total quantity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2. Then 4th thief enters and steals 1/2 of the remaining+2. When the 5th one enters he finds 1 diamond on the table. Find out the total no. of diamonds originally on the table before the 1st thief entered.
Q: There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small all. The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. What is 'N' for the horizontal line from the centre of small wheel always is horizontal.
Q: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...
Q: 3 policemen and 3 thieves had to cross a river using a small boat. Only two can use the boat for a trip. All the 3 policemen and only 1 thief knew to ride the boat. If 2 thieves and 1 policeman were left behind they would kill him. But none of them escaped from the policemen. How would they be able to cross the river?
Q: T, U, V are 3 friends digging groups in fields. If T & U can complete i groove in 4 days &, U & V can complete 1 groove in 3 days & V & T can complete in 2 days. Find how many days each takes to complete 1 groove individually.
Q: At 6?o a clock ticks 6 times.The time between first and last ticks is 30 seconds.How long does it tick at 12?o clock?2.A hotel has 10 storey. Which floor is above the floor below the floor, below the floor above the floor, below the floor above the fifth.
Q: There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.
Q: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
Q: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?
Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â
Q: Motorboat A leaves shore P as B leaves Q; they move across the lake at a constant speed. They meet first time 600 yards from P. Each returns from the opposite shore without halting, and they meet 200 yards from. How long is the lake?
Q: Four persons have to cross the bridge they are having one torch light. Four persons take 1,2,5,10 minutes respectively, when two persons are going they will take the time of the slowest person. What is the time taken to cross by all of them.
Q: The profit made by a company in one year is enough to give 6% return on all shares. But as the preferred shares get on return of 7.5%, so the ordinary shares got on return of 5%. If the value of preferred shares is Rs 4,000000, then what is the va...
Q: A is driving on a highway when the police fines him for over speeding and exceeding the limit by 10 km/hr. At the same time B is fined for over speeding by twice the amount by which A exceeded the limit. If he was driving at 35 km/hr what is the speed limit for the road?
Q: You have a large number of stocks (say 1000). The value (price) of these stocks is random in the short time but grows exponentially (at different rates) in the long run. You observe all the stock prices today. Which digit in the price of all these...
Q: A person gives a book for binding, but the binder cuts the book in such a way that he cutsaway the numbers on the pages. So now the person sits down to write the page numbers.What he observes is that the book had 61 times 3¶s. How many pages does the book contain?
Q: The letters A, B, C, D, E, F and G, not necessarilyin that order,stand for seven consecutive integers from 1 to 10D is 3 less than AB is the middle termF is as much less than B as C is greater than DG is greater than F1. The fifth integer is?
