diff options
Diffstat (limited to 'src/backend/utils/misc/guc.c')
| -rw-r--r-- | src/backend/utils/misc/guc.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 0249721204a..5d8fb2edb8f 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -2776,17 +2776,28 @@ static struct config_int ConfigureNamesInt[] = }, { - {"min_parallel_relation_size", PGC_USERSET, QUERY_TUNING_COST, - gettext_noop("Sets the minimum size of relations to be considered for parallel scan."), - NULL, + {"min_parallel_table_scan_size", PGC_USERSET, QUERY_TUNING_COST, + gettext_noop("Sets the minimum amount of table data for a parallel scan."), + gettext_noop("If the planner estimates that it will read a number of table pages too small to reach this limit, a parallel scan will not be considered."), GUC_UNIT_BLOCKS, }, - &min_parallel_relation_size, + &min_parallel_table_scan_size, (8 * 1024 * 1024) / BLCKSZ, 0, INT_MAX / 3, NULL, NULL, NULL }, { + {"min_parallel_index_scan_size", PGC_USERSET, QUERY_TUNING_COST, + gettext_noop("Sets the minimum amount of index data for a parallel scan."), + gettext_noop("If the planner estimates that it will read a number of index pages too small to reach this limit, a parallel scan will not be considered."), + GUC_UNIT_BLOCKS, + }, + &min_parallel_index_scan_size, + (512 * 1024) / BLCKSZ, 0, INT_MAX / 3, + NULL, NULL, NULL + }, + + { /* Can't be set in postgresql.conf */ {"server_version_num", PGC_INTERNAL, PRESET_OPTIONS, gettext_noop("Shows the server version as an integer."), |