Interview questionsStart free
Idempotency, retries & failure handlingMediumSDE-2
A request goes through API gateway, then BFF, then order service, then pricing service. Every layer retries 3 times. Pricing has a short outage. What happens to the system?
Asked at
AmazonFlipkartGoogleUber
Think first
Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.
Saved on this device. Create a free account to keep it on every device.
Practise this with Sam
A real mock interview, out loud, with an honest scorecard. Free to start.