Package: postgresql-13-pgfincore Source: pgfincore Version: 1.3.1-2.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 80 Depends: postgresql-13, postgresql-13-jit-llvm (>= 10), libc6 (>= 2.4) Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-13-pgfincore_1.3.1-2.pgdg20.04+1_amd64.deb Size: 30844 SHA256: 2c9fbdb25969cb936953ba7ac97b79bdbe2eb0911a552d7ff49f2240fcf502c3 SHA1: 117c4df02b343d357cfece9fd7037cfe7e111298 MD5sum: bba3d6bb46b755373db560c771f98329 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.