B FORMAT · INTERMEDIATE · PRO LEVEL
Hot Cache Flush
Ops flushed the cache for a deploy. All 2M users hit DB cold.
SCENARIO PREVIEW
Add an RDS read replica to absorb the cold-cache surge. Bring error rate below 5% before SLA expires.
YOU'LL PRACTICE
Ops flushed the cache for a deploy. All 2M users hit DB cold.
Add an RDS read replica to absorb the cold-cache surge. Bring error rate below 5% before SLA expires.