Package: postgresql-10-pgfincore Source: pgfincore Version: 1.3.1-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 52 Depends: libc6 (>= 2.33), postgresql-10 Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-10-pgfincore_1.3.1-1.pgdg22.04+1_amd64.deb Size: 14212 SHA256: a02d22ffeaa40adeed66d276991eecdd471f9ef85aded9fb211d2b96cab4ca12 SHA1: 8deaa1850dfa34f2bd4bbdc78437c2550fc64503 MD5sum: c402054b7c1d5acf67f0d6dc5e273d4b 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.