Interview questionsStart free
Scenarios & trade-offsHardSDE-3
Two years ago your team sharded the orders database by order creation month. Now the current month's shard is overloaded while old shards sit idle. How do you fix the shard key and move to it with no downtime?
Asked at
FlipkartLinkedInUber
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.