Package: postgresql-9.6-pgfincore Source: pgfincore Version: 1.2.2-3.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 53 Depends: libc6 (>= 2.4), postgresql-9.6 Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-9.6-pgfincore_1.2.2-3.pgdg20.04+1_amd64.deb Size: 14024 SHA256: 11ba623125d8e05c6476e758c4f1bfeb40df27815363d32536dcf8ecd517f64a SHA1: a98e728e16edb2a1760f6ab2b31f57245fac5444 MD5sum: 30a6fb5d451fe259e8cb6f9826a8978a 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.