Skip to content
Skills
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
More
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
More
Home
/
QA Engineer
/
Questions
/
Databases and caching
QA Engineer
Databases and caching questions
9 questions on Databases and caching for qa engineers, easiest first.
Medium
3
A 304 response
medium
Finding the slow SQL
medium
Too many pods for the database
medium
Hard
6
High iowait during the test
hard
Spikes every ten minutes
hard
Fast in staging, slow in production
hard
One page, 101 queries
hard
Stale data under heavy writes
hard
Soak test slows with flat CPU and memory
hard
