Package: postgresql-12-pgfincore Source: pgfincore Version: 1.4.0-1.pgdg26.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 52 Depends: postgresql-12, libc6 (>= 2.34) Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-12-pgfincore_1.4.0-1.pgdg26.04+1_amd64.deb Size: 13876 SHA512: f1c42a7ab260f8a4673aa318c6553680c577fb52f998b1b990a0f30d6b50f2430a2417affa41ddb3289de7a002127e64bd64a92083bdcb9cfec53233b8801ae9 SHA256: 38b5aad244fa4037bfe297cbb09ce187697536c5683d86909ac2ac7eb8a122f2 SHA1: c1e59eca7fbb6c037356f6db3e7f012e9ed0e2ca MD5sum: 5fbbff1125045994ad3239593c89b36b Description: set of PostgreSQL functions to manage blocks in memory Those functions let you know which and how many disk block from a relation are in the page cache of the operating system, and eventually write the result to a file. Then using this file, it is possible to restore the page cache state for each block of the relation.