Buffer Replacement Policies
When the DBMS needs to free up a frame to make room for a new page, it must decide which page to evict from the buffer pool.
Goals:
Correctness
Accuracy
Speed
Meta-data overhead
Last updated
When the DBMS needs to free up a frame to make room for a new page, it must decide which page to evict from the buffer pool.
Goals:
Correctness
Accuracy
Speed
Meta-data overhead
Last updated