diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/access/common/reloptions.c | 2 | ||||
| -rw-r--r-- | src/backend/access/nbtree/nbtree.c | 8 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc.c | 2 |
3 files changed, 7 insertions, 5 deletions
diff --git a/src/backend/access/common/reloptions.c b/src/backend/access/common/reloptions.c index e0c9c3431c6..5671bb6830d 100644 --- a/src/backend/access/common/reloptions.c +++ b/src/backend/access/common/reloptions.c @@ -416,7 +416,7 @@ static relopt_real realRelOpts[] = RELOPT_KIND_BTREE, ShareUpdateExclusiveLock }, - -1, 0.0, 100.0 + -1, 0.0, DBL_MAX }, /* list terminator */ {{NULL}} diff --git a/src/backend/access/nbtree/nbtree.c b/src/backend/access/nbtree/nbtree.c index 27a3032e42a..cdd0403e1d8 100644 --- a/src/backend/access/nbtree/nbtree.c +++ b/src/backend/access/nbtree/nbtree.c @@ -816,6 +816,7 @@ _bt_vacuum_needs_cleanup(IndexVacuumInfo *info) { StdRdOptions *relopts; float8 cleanup_scale_factor; + float8 prev_num_heap_tuples; /* * If table receives enough insertions and no cleanup was performed, @@ -829,11 +830,12 @@ _bt_vacuum_needs_cleanup(IndexVacuumInfo *info) relopts->vacuum_cleanup_index_scale_factor >= 0) ? relopts->vacuum_cleanup_index_scale_factor : vacuum_cleanup_index_scale_factor; + prev_num_heap_tuples = metad->btm_last_cleanup_num_heap_tuples; if (cleanup_scale_factor <= 0 || - metad->btm_last_cleanup_num_heap_tuples < 0 || - info->num_heap_tuples > (1.0 + cleanup_scale_factor) * - metad->btm_last_cleanup_num_heap_tuples) + prev_num_heap_tuples < 0 || + (info->num_heap_tuples - prev_num_heap_tuples) / + prev_num_heap_tuples >= cleanup_scale_factor) result = true; } diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 859ef931e71..daa2894c5af 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -3253,7 +3253,7 @@ static struct config_real ConfigureNamesReal[] = NULL }, &vacuum_cleanup_index_scale_factor, - 0.1, 0.0, 100.0, + 0.1, 0.0, DBL_MAX, NULL, NULL, NULL }, |