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Topic

Database buffer pool

The in-memory page cache a database engine keeps of table and index pages, together with the policies that decide which pages stay resident and which are evicted.

Current clusters

build1 publisher

A four-index table charges every insert five page modifications

A dev.to write-path model counts one heap write plus one leaf write per secondary index, each with its own write-ahead log record. The same post's read-side walkthrough for 100 million rows tops out near four index pages.

Publishers:dev.to

Reality

Evidence42
Adoption
Insufficient
Hype gap+20
Incentives20
Confidence55