cdc Interview Questions
2 interview questions in our bank cover cdc, most of them System Design for ML. They average 4.5/5 difficulty — very hard — and each one was reported by a candidate after a real interview. Companies known to ask about cdc: Netflix, Roblox.
Practice these on the problems board →Companies that ask about cdc
Question mix
- System Design for ML2
Difficulty
- 4/5 — hard1
- 5/5 — very hard1
Questions tagged cdc
WAL Log Enrichment CDC Pipeline at 1M writes/sec
5/5Examine a high-throughput data engineering challenge focused on processing massive write-ahead log streams with low latency, reported during technical loops at Netflix. This problem tests your ability to design a change-data-capture pipeline capable of handling intense ingestion rates while enriching raw identifiers with contextual records via rapid caching layers and ensuring strict per-key ordering and delivery guarantees. You will learn how to build resilient pipelines that gracefully handle schema evolution and historical data replays. Unlock the full system architecture blueprint and complete implementation details with a subscription.
System Design for MLNetflixDesign a Like / Unlike Counter Service at Scale
4/5This system design challenge, reported from Roblox, asks you to architect a massive-scale like and unlike counter service supporting hundreds of millions of users. The evaluation centers on your ability to design database schemas, ensure idempotency during retries, mitigate hot-shard bottlenecks, and balance read versus write performance tradeoffs on high-traffic creator content. You will learn how to handle extreme data velocity efficiently. Access the detailed architectural guide and expert solution by purchasing a subscription.
System Design for MLRoblox
cdc interview FAQ
- How many cdc interview questions are there?
- 2 reported questions, mostly System Design for ML.
- Which companies ask cdc questions?
- Netflix (1), Roblox (1).
- How hard are cdc questions?
- They average 4.5 out of 5: 1 at 4/5, 1 at 5/5.