Write your interview question in following format:

• Company: Netflix
• Location: India
• Position: SDE I
• Experience: 1 year
• Round: Technical Round
• Question: What if particular block of code take 10 min to execute on the cpu once the API got hit, how we can optimize and respond faster? Limitation : you cant modify the code, you cant modify system hardware or config.
• My Answer: We can use Multireading / Processing. if not we can cache the result.
• Interviewer Answer: you can run task in background. You can learn the system design concepts.
• Conclusion: Till now I havent got any clue and what he meant by background?