Multiple ChoiceIntermediate 45s
Read-through cache
How does read-through caching differ from cache-aside?
Options
- 1In read-through the cache library itself loads from the DB on a miss, while cache-aside has the application manage the load-and-fill
- 2Read-through and cache-aside behave identically; both place load-and-fill logic inside the application code
- 3Read-through serves every request from memory, so it needs no backing database behind the cache layer at all
- 4Cache-aside cannot honor per-key TTLs, since expiry lives only inside the read-through library and not the app
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