Package: postgresql-13-pgfincore Source: pgfincore Version: 1.3.1-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 80 Depends: libc6 (>= 2.4), postgresql-13, postgresql-13-jit-llvm (>= 10) Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-13-pgfincore_1.3.1-1.pgdg20.04+1_amd64.deb Size: 30824 SHA256: d51c2c6597538f81aa8e18d533c3440aa670ba4c9e3bc71dd965af445b11b505 SHA1: 868a99190e0166f5a1f229c94f7e9372692ebafc MD5sum: d95ac6f5662a13d14dd3981c7e1a651d 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.