diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/storage/bufmgr.h | 9 | ||||
| -rw-r--r-- | src/include/utils/ps_status.h | 7 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h index 6f4dfa09602..e1bd22441b0 100644 --- a/src/include/storage/bufmgr.h +++ b/src/include/storage/bufmgr.h @@ -69,6 +69,15 @@ extern PGDLLIMPORT bool zero_damaged_pages; extern PGDLLIMPORT int bgwriter_lru_maxpages; extern PGDLLIMPORT double bgwriter_lru_multiplier; extern PGDLLIMPORT bool track_io_timing; + +/* only applicable when prefetching is available */ +#ifdef USE_PREFETCH +#define DEFAULT_EFFECTIVE_IO_CONCURRENCY 1 +#define DEFAULT_MAINTENANCE_IO_CONCURRENCY 10 +#else +#define DEFAULT_EFFECTIVE_IO_CONCURRENCY 0 +#define DEFAULT_MAINTENANCE_IO_CONCURRENCY 0 +#endif extern PGDLLIMPORT int effective_io_concurrency; extern PGDLLIMPORT int maintenance_io_concurrency; diff --git a/src/include/utils/ps_status.h b/src/include/utils/ps_status.h index bba463591f8..6953a326f12 100644 --- a/src/include/utils/ps_status.h +++ b/src/include/utils/ps_status.h @@ -12,6 +12,13 @@ #ifndef PS_STATUS_H #define PS_STATUS_H +/* disabled on Windows as the performance overhead can be significant */ +#ifdef WIN32 +#define DEFAULT_UPDATE_PROCESS_TITLE false +#else +#define DEFAULT_UPDATE_PROCESS_TITLE true +#endif + extern PGDLLIMPORT bool update_process_title; extern char **save_ps_display_args(int argc, char **argv); |