Package: postgresql-11-pgfincore Source: pgfincore Version: 1.3.1-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 79 Depends: libc6 (>= 2.4), postgresql-11, postgresql-11-jit-llvm (>= 10) Homepage: http://villemain.org/projects/pgfincore Priority: optional Section: database Filename: pool/main/p/pgfincore/postgresql-11-pgfincore_1.3.1-1.pgdg20.04+1_amd64.deb Size: 30000 SHA256: e4b2a40c3eb663cd97fc146c1c64f3564228ea5758dcc2c81684789ee9caa5eb SHA1: b7091e29c656b88c1d3ee2afd35dd52a25c6e4a7 MD5sum: 1381a5bb51594ac291ea02d2fb81e765 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.