diff options
Diffstat (limited to 'src/backend/utils/misc/guc_tables.c')
| -rw-r--r-- | src/backend/utils/misc/guc_tables.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/utils/misc/guc_tables.c b/src/backend/utils/misc/guc_tables.c index c0a52cdcc3e..289dea7878a 100644 --- a/src/backend/utils/misc/guc_tables.c +++ b/src/backend/utils/misc/guc_tables.c @@ -2510,6 +2510,11 @@ struct config_int ConfigureNamesInt[] = NULL, NULL, NULL }, + /* + * Dynamic shared memory has a higher overhead than local memory contexts, + * so when testing low-memory scenarios that could use shared memory, the + * recommended minimum is 1MB. + */ { {"maintenance_work_mem", PGC_USERSET, RESOURCES_MEM, gettext_noop("Sets the maximum memory to be used for maintenance operations."), @@ -2517,7 +2522,7 @@ struct config_int ConfigureNamesInt[] = GUC_UNIT_KB }, &maintenance_work_mem, - 65536, 1024, MAX_KILOBYTES, + 65536, 64, MAX_KILOBYTES, NULL, NULL, NULL }, |