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 man has a wolf, a goat, and a cabbage. He must cross a river with the two animals and the cabbage. There is a small rowing-boat, in which he can take only one thing with him at a time. If, however, the wolf and the goat are left alone, the wolf will eat the goat. If the goat and the cabbage are left alone, the goat will eat the cabbage. How can the man get across the river with the two animals and the cabbage?
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: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Q: 9 cards are there. You have to arrange them in a 3*3 matrix. Cards are of 4 colors. They are red, yellow, blue and green. Conditions for arrangement: one red card must be in first row or second row. 2 green cards should be in 3rd column. Yellow cards must be in the 3 corners only. Two blue cards must be in the 2nd row. At least one green card in each row.
Q: A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager. According to his will: First give one coin to manager. 1/5th of the remaining to the elder son.Now give one coin to the manager and 1/5th of the remaining to second son and so on..... After giving coins to 5th son, divided the remaining coins among five daughters equally.All should get full coins. Find the minimum number of coins he has?
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: 36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, a1}. Then size of the smallest set of people such that the res...
Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
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: The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?
Q: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
Q: A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete
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: A vessel is full of liquid. From the vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day
Q: There are 7 letters A,B,C,D,E,F,GAll are assigned some numbers from 1,2 to 7.B is in the middle if arranged as per the numbers.A is greater than G same as F is less than C.G comes earlier than E.Which is the fourth letter
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?