← Goals
Redis
L1–L2
Keep a cache alive under load: TTL hygiene, eviction storms, big keys and the commands that block the event loop.
2 / 5 scenarios passedScore avg 82%
Scenarios to pass
Redis
Keyspace & TTL · L1
Missing TTL on cache keys
88%
Passed
Redis
Memory & eviction · L2
Eviction storm
76%
Passed
Redis
Memory & eviction · L2
Big hash blocks operations
—
In progress
Redis
Keyspace & TTL · L1
Dangerous KEYS usage in production
—
Not started
Redis
Latency · L2
Slow HGETALL on a big hash
—
Not started
How this goal was set
- SystemsRedis
- LevelMid
- Focus areasKeyspace & TTL · Memory · Latency
- IntensityStandard · 5 scenarios
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Prototype — scenario scores are mocked.