diff options
| -rw-r--r-- | src/backend/access/heap/vacuumlazy.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/src/backend/access/heap/vacuumlazy.c b/src/backend/access/heap/vacuumlazy.c index a00947ea1c6..88b9d1f41c3 100644 --- a/src/backend/access/heap/vacuumlazy.c +++ b/src/backend/access/heap/vacuumlazy.c @@ -886,18 +886,6 @@ heap_vacuum_rel(Relation rel, VacuumParams *params, * for dead-tuple TIDs, invoke lazy_vacuum to vacuum indexes and vacuum * heap relation during its own second pass over the heap. * - * If the table has at least two indexes, we execute both index vacuum - * and index cleanup with parallel workers unless parallel vacuum is - * disabled. In a parallel vacuum, we enter parallel mode and then - * create both the parallel context and the DSM segment before starting - * heap scan so that we can record dead tuples to the DSM segment. All - * parallel workers are launched at beginning of index vacuuming and - * index cleanup and they exit once done with all indexes. At the end of - * this function we exit from parallel mode. Index bulk-deletion results - * are stored in the DSM segment and we update index statistics for all - * the indexes after exiting from parallel mode since writes are not - * allowed during parallel mode. - * * If there are no indexes then we can reclaim line pointers on the fly; * dead line pointers need only be retained until all index pointers that * reference them have been killed. |