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| author | Bruce Momjian <bruce@momjian.us> | 2018-11-02 09:11:00 -0400 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2018-11-02 09:11:00 -0400 |
| commit | 23524418e578085cb37bfb064ddd4bc1172c069e (patch) | |
| tree | 51fb22dc41c30fcd06bb708af89ac5ad6e7a69f1 /src/backend/utils/misc | |
| parent | 708b96d56aee3cee830623f26c231e371fda19e4 (diff) | |
| download | postgresql-23524418e578085cb37bfb064ddd4bc1172c069e.tar.gz postgresql-23524418e578085cb37bfb064ddd4bc1172c069e.zip | |
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/backend/utils/misc')
| -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 110ac0e57fb..cb0d1c54f68 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -2979,10 +2979,9 @@ 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, |