Practice production incidents across real systems. Find a challenge by system, symptom, or difficulty.
Customers could shop a few minutes ago. After a website update, payments started failing. Find the cause and restore checkout.
The website is slow even though visitor numbers are normal. Find what is blocking requests and get it responding again.
The website appears healthy from the inside, but customers cannot open it. Investigate a security certificate that expired overnight.
Document previews fail repeatedly in eu-west, even though the machines have spare memory.
Catalog pages take seconds to open, but overall machine usage remains low.
Website capacity falls while replacement containers wait without starting.
New capacity stays unused while customer requests wait for available containers.
Search capacity drops during a rollout, with new containers stuck waiting.
Profile pages return unavailable errors while every container appears to be running.
Search indexing never resumes because every replacement container restarts during startup.
Stock checks fail immediately although inventory containers pass their health checks.
Prices disappear from product pages while the pricing service remains healthy.