Glossary: System Design Beyond the Basics
Cache busting
Putting the content hash in a file's name, as in `mug-blue.3f9a1c.jpg`. A changed photo gets a new name, so the CDN can cache every name forever and never serve an old picture.
Glossary: System Design Beyond the Basics
Putting the content hash in a file's name, as in `mug-blue.3f9a1c.jpg`. A changed photo gets a new name, so the CDN can cache every name forever and never serve an old picture.