diff options
| author | Andres Freund <andres@anarazel.de> | 2025-03-30 19:14:55 -0400 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2025-03-30 19:16:47 -0400 |
| commit | 2a5e709e721cf5f890cde51755b84cfe25d1c4d9 (patch) | |
| tree | e48d7981c9ea2c20b9da99e5f78c7173875f7c68 /src/include/utils/guc_hooks.h | |
| parent | ae3df4b34155d4a3811762e78d5076e64df66fba (diff) | |
| download | postgresql-2a5e709e721cf5f890cde51755b84cfe25d1c4d9.tar.gz postgresql-2a5e709e721cf5f890cde51755b84cfe25d1c4d9.zip | |
Enable IO concurrency on all systems
Previously effective_io_concurrency and maintenance_io_concurrency could not
be set above 0 on machines without fadvise support. AIO enables IO concurrency
without such support, via io_method=worker.
Currently only subsystems using the read stream API will take advantage of
this. Other users of maintenance_io_concurrency (like recovery prefetching)
which leverage OS advice directly will not benefit from this change. In those
cases, maintenance_io_concurrency will have no effect on I/O behavior.
Author: Melanie Plageman <melanieplageman@gmail.com>
Reviewed-by: Noah Misch <noah@leadboat.com>
Discussion: https://postgr.es/m/CAAKRu_atGgZePo=_g6T3cNtfMf0QxpvoUh5OUqa_cnPdhLd=gw@mail.gmail.com
Diffstat (limited to 'src/include/utils/guc_hooks.h')
| -rw-r--r-- | src/include/utils/guc_hooks.h | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/src/include/utils/guc_hooks.h b/src/include/utils/guc_hooks.h index 0f1e74f96c9..799fa7ace68 100644 --- a/src/include/utils/guc_hooks.h +++ b/src/include/utils/guc_hooks.h @@ -61,8 +61,6 @@ extern bool check_default_text_search_config(char **newval, void **extra, GucSou extern void assign_default_text_search_config(const char *newval, void *extra); extern bool check_default_with_oids(bool *newval, void **extra, GucSource source); -extern bool check_effective_io_concurrency(int *newval, void **extra, - GucSource source); extern bool check_huge_page_size(int *newval, void **extra, GucSource source); extern void assign_io_method(int newval, void *extra); extern bool check_io_max_concurrency(int *newval, void **extra, GucSource source); @@ -83,8 +81,6 @@ extern bool check_log_stats(bool *newval, void **extra, GucSource source); extern bool check_log_timezone(char **newval, void **extra, GucSource source); extern void assign_log_timezone(const char *newval, void *extra); extern const char *show_log_timezone(void); -extern bool check_maintenance_io_concurrency(int *newval, void **extra, - GucSource source); extern void assign_maintenance_io_concurrency(int newval, void *extra); extern void assign_io_max_combine_limit(int newval, void *extra); extern void assign_io_combine_limit(int newval, void *extra); |