read ahead caching - system level prefetch to reduce iops delays. helpful in sequential and bulk reads read through caching - caching logic is handled by caching layer. cache is the primary data store. only in the absence of cache database reads happen. write behind caching - write to cache first and then the database in async. write to database can be async and batched too. conflation write through caching - write to both database and cache simultaneously. high consistency cache aside caching lazy loading- default approach by many. is cache aside and read ahead caching same?

consider is caching layer or application layer should handle your strategy. consider if you are deciding strategy for read heavy or write heavy system. consider if you are ok with some inconsistency.

cache invalidation cache eviction cache tags cache variations or cache templates using cache context