GUC: adjust effective_cache_size docs and SQL description

Bruce Momjian <bruce@momjian.us>

Commit: 3e0f1a4741f564c1a2fa6e944729d6967355d8c7
Author: Bruce Momjian <bruce@momjian.us>
Date: 2018-11-02T13:11:00Z
Releases: 12.0
GUC:  adjust effective_cache_size docs and SQL description

Clarify that effective_cache_size is both kernel buffers and shared
buffers.

Reported-by: nat@makarevitch.org

Discussion: https://postgr.es/m/153685164808.22334.15432535018443165207@wrigleys.postgresql.org

Backpatch-through: 9.3

Files

PathChange+/−
doc/src/sgml/config.sgml modified +2 −1
src/backend/utils/misc/guc.c modified +3 −4

Documentation touched