derived storage
Cache
Cache
Also known as · caching · cache hit · cache miss
Definition
A way to store a reusable copy of a result to reduce latency and source load. A cache hit proves speed, not freshness, authorization, or consistency.
Searchable examples
- Cache-Control: max-age=300
- cache hit / miss
Short example
Cache-Control: public, max-age=300, stale-while-revalidate=3600
Record which cache tag a mutation invalidates at the public boundary.
Compare with
- Single Source of Truthdesign principleA principle that gives one authoritative source the meaning and write authority for a fact while treating other representations as derived state. It clarifies ownership and synchronization boundaries; it does not mean copies never exist.
- Rate limitRate Limitprotection boundaryA policy that limits request volume by time, subject, or route to protect resources and external spend. The contract includes the exceeded response and retry guidance, not just a number.
Terms that compare with this term
- Rate limitRate Limitprotection boundaryA policy that limits request volume by time, subject, or route to protect resources and external spend. The contract includes the exceeded response and retry guidance, not just a number.
- Object storageObject Storagefile byte storageA system that stores large file bytes under an object key with metadata. Storage success is not the same as business completion or authorization verification.