Package: postgresql-11-pgfincore Source: pgfincore Version: 1.4.0-1.pgdg26.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 52 Depends: postgresql-11, libc6 (>= 2.34) Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-11-pgfincore_1.4.0-1.pgdg26.04+1_amd64.deb Size: 13928 SHA512: 76477a75d5cb472832bd0bca9302aed0652c3a0e26384676d609e0a581aab43f5ae5d9612764d4414539da819b332d9f34d2ae4a37598addd29eb89c9664ea90 SHA256: a1772712b78bdcf3a61b16e8f285ba1ec46acf147b53a9c288f7067b4201f8aa SHA1: 1d4d5f3bca2ec5dc42ea1ce5d348a47e61c40b8d MD5sum: 9c856e96b43902582b1e2166ac32d8db 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.