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| author | Bruce Momjian <bruce@momjian.us> | 2018-11-02 09:10:59 -0400 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2018-11-02 09:10:59 -0400 |
| commit | 75f1abfa1516e0320e56de211b778f46f3874ff5 (patch) | |
| tree | 63073b7ac2a42b7db6c1c5aa61b117c76257598a /src | |
| parent | 51afe7602bfa703f93b22fb81f13e8201f0f2b56 (diff) | |
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
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/utils/misc/guc.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 0db8abde051..8b845105f8e 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -2614,10 +2614,9 @@ static struct config_int ConfigureNamesInt[] = { {"effective_cache_size", PGC_USERSET, QUERY_TUNING_COST, - gettext_noop("Sets the planner's assumption about the size of the disk cache."), - gettext_noop("That is, the portion of the kernel's disk cache that " - "will be used for PostgreSQL data files. This is measured in disk " - "pages, which are normally 8 kB each."), + gettext_noop("Sets the planner's assumption about the size of the data cache."), + gettext_noop("That is, the size of the cache used for PostgreSQL data files. " + "This is measured in disk pages, which are normally 8 kB each."), GUC_UNIT_BLOCKS, }, &effective_cache_size, |