Package: postgresql-12-pgfincore Source: pgfincore Version: 1.3.1-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 79 Depends: libc6 (>= 2.33), postgresql-12, postgresql-12-jit-llvm (>= 14) Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-12-pgfincore_1.3.1-1.pgdg22.04+1_amd64.deb Size: 31080 SHA256: 8e08c9fd641142fff1d390e0f16b0d0d2bf9d50770f1bed1bb5eea0faaca1c25 SHA1: 4b6d19081d7e4c1411b0be12e7c1deafb72208e0 MD5sum: dfa10be492840e22ba79a91edfcfbfb6 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.