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Diffstat (limited to 'src/backend/utils/misc/guc_tables.c')
-rw-r--r--src/backend/utils/misc/guc_tables.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/backend/utils/misc/guc_tables.c b/src/backend/utils/misc/guc_tables.c
index 9c0b10ad4dc..0d3ebf06a95 100644
--- a/src/backend/utils/misc/guc_tables.c
+++ b/src/backend/utils/misc/guc_tables.c
@@ -72,6 +72,7 @@
#include "replication/slot.h"
#include "replication/slotsync.h"
#include "replication/syncrep.h"
+#include "storage/aio.h"
#include "storage/bufmgr.h"
#include "storage/bufpage.h"
#include "storage/large_object.h"
@@ -3255,6 +3256,18 @@ struct config_int ConfigureNamesInt[] =
},
{
+ {"io_max_concurrency",
+ PGC_POSTMASTER,
+ RESOURCES_IO,
+ gettext_noop("Max number of IOs that one process can execute simultaneously."),
+ NULL,
+ },
+ &io_max_concurrency,
+ -1, -1, 1024,
+ check_io_max_concurrency, NULL, NULL
+ },
+
+ {
{"backend_flush_after", PGC_USERSET, RESOURCES_IO,
gettext_noop("Number of pages after which previously performed writes are flushed to disk."),
gettext_noop("0 disables forced writeback."),
@@ -5311,6 +5324,16 @@ struct config_enum ConfigureNamesEnum[] =
NULL, NULL, NULL
},
+ {
+ {"io_method", PGC_POSTMASTER, RESOURCES_IO,
+ gettext_noop("Selects the method for executing asynchronous I/O."),
+ NULL
+ },
+ &io_method,
+ DEFAULT_IO_METHOD, io_method_options,
+ NULL, assign_io_method, NULL
+ },
+
/* End-of-list marker */
{
{NULL, 0, 0, NULL, NULL}, NULL, 0, NULL, NULL, NULL, NULL