Tag:cache eviction

All the articles with the tag "cache eviction".

• 8 MIN READ•Apr 29, 2026

  Buffer Pools, Caches, and the Memory Hierarchy

  Databases use buffer pools, column caches, and result caches to keep hot data in RAM. Here is how each caching strategy works and what happens when data does not fit.

  database cachingbuffer poolcache eviction