Package: postgresql-12-pgfincore Source: pgfincore Version: 1.3.1-3.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 79 Depends: postgresql-12, libc6 (>= 2.33) Breaks: postgresql-12-jit-llvm (<< 15) Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-12-pgfincore_1.3.1-3.pgdg22.04+1_amd64.deb Size: 31268 SHA256: 8bef64137e9e1fa83f40fdfe98e5930a64b98ae0a1b1832953a2586fd46ca294 SHA1: cdf5a1823354ab8d52be70668b47c7ca7dc36d56 MD5sum: 4f6b41118ad449fe9cfb0e0338ec6ac4 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.