{
{"effective_cache_size", PGC_USERSET, QUERY_TUNING_COST,
- 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. "
+ gettext_noop("Sets the planner's assumption about the total size of the data caches."),
+ gettext_noop("That is, the total size of the caches (kernel cache and shared buffers) used for PostgreSQL data files. "
"This is measured in disk pages, which are normally 8 kB each."),
GUC_UNIT_BLOCKS,
},