Backend Developer
Performance questions
19 questions on Performance for backend developers, easiest first.
Easy 2
Medium 7
Hard 10
- Cache stampede on a hot keyhard
- One slow route freezes Node.jshard
- Connection pools and autoscalinghard
- Table bloat that VACUUM will not fixhard
- Work continues after the client gives uphard
- Trusting a Bloom filter answerhard
- Index for the few pending rowshard
- Inserts slow down with UUID keyshard
- Pool exhausted during paymentshard
- Concurrent requests from throughputhard