Skip to content
Skills
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
More
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
More
Home
/
Data Engineer
/
Questions
/
Resilience and fault tolerance
Data Engineer
Resilience and fault tolerance questions
9 questions on Resilience and fault tolerance for data engineers, easiest first.
Easy
1
Idempotent pipelines
easy
Medium
6
An API that returns 429
medium
20 bad rows out of 2 million
medium
One bad message blocks a stream
medium
One record that always fails
medium
When a producer gives up
medium
The target database is down
medium
Hard
2
Exactly-once end to end
hard
Safe backfills
hard
