Package: postgresql-9.4-pgfincore Source: pgfincore Version: 1.2.2-1.pgdg18.04+1 Architecture: i386 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 52 Depends: libc6 (>= 2.4), postgresql-9.4 Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-9.4-pgfincore_1.2.2-1.pgdg18.04+1_i386.deb Size: 14652 SHA256: f66ae38469c2af89d70115d4bdfa7d91e9b561e70bde516ca0286e7f1a2f9cbd SHA1: da881a1e30f96117bd058b6e6afde882bb3edb46 MD5sum: 171af2e3870102be37d828560892971a 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.