Package: postgresql-12-pgfincore Source: pgfincore Version: 1.3.1-2.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 80 Depends: postgresql-12, postgresql-12-jit-llvm (>= 10), libc6 (>= 2.4) Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-12-pgfincore_1.3.1-2.pgdg20.04+1_amd64.deb Size: 30872 SHA256: 7cfbc920cd79796edd5ea7e244282fe45eb680353850a8992e71f2aee214d2be SHA1: dfe29a91f9b955de585cfa95b5a134979db7dccb MD5sum: f7b41bd9156e4e2c117e2a35b0cc1d7a 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.