diff options
Diffstat (limited to 'src/backend/access/common/reloptions.c')
| -rw-r--r-- | src/backend/access/common/reloptions.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/backend/access/common/reloptions.c b/src/backend/access/common/reloptions.c index c3d45c7a248..ec207d3b26c 100644 --- a/src/backend/access/common/reloptions.c +++ b/src/backend/access/common/reloptions.c @@ -353,6 +353,19 @@ static relopt_int intRelOpts[] = }, { { + "maintenance_io_concurrency", + "Number of simultaneous requests that can be handled efficiently by the disk subsystem for maintenance work.", + RELOPT_KIND_TABLESPACE, + ShareUpdateExclusiveLock + }, +#ifdef USE_PREFETCH + -1, 0, MAX_IO_CONCURRENCY +#else + 0, 0, 0 +#endif + }, + { + { "parallel_workers", "Number of parallel processes that can be used per executor node for this relation.", RELOPT_KIND_HEAP, @@ -1700,7 +1713,8 @@ tablespace_reloptions(Datum reloptions, bool validate) static const relopt_parse_elt tab[] = { {"random_page_cost", RELOPT_TYPE_REAL, offsetof(TableSpaceOpts, random_page_cost)}, {"seq_page_cost", RELOPT_TYPE_REAL, offsetof(TableSpaceOpts, seq_page_cost)}, - {"effective_io_concurrency", RELOPT_TYPE_INT, offsetof(TableSpaceOpts, effective_io_concurrency)} + {"effective_io_concurrency", RELOPT_TYPE_INT, offsetof(TableSpaceOpts, effective_io_concurrency)}, + {"maintenance_io_concurrency", RELOPT_TYPE_INT, offsetof(TableSpaceOpts, maintenance_io_concurrency)} }; return (bytea *) build_reloptions(reloptions, validate, |