Bitrix Cache Layers

When to use

• The user wants to cache an expensive query or computation in Bitrix and asks which layer to use (Cache, ManagedCache, or component autocache).
• The user wants to cache the rendered HTML of a Bitrix component and control its cache time, cache keys, or autocache behavior.
• The user needs to invalidate or clear Bitrix cache when underlying data changes — tagged-cache tags, clearByTag, or component cache clearing.
• The user wants cache entries tagged so they clear automatically when an iblock element or ORM entity changes (TaggedCache, registerTag, startTagCache).

When NOT to use