diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 2 | ||||
| -rw-r--r-- | src/include/storage/bufmgr.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index d2bd329a587..36cb64d7ebc 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -198,7 +198,7 @@ # - I/O - #backend_flush_after = 0 # measured in pages, 0 disables -#effective_io_concurrency = 1 # 1-1000; 0 disables prefetching +#effective_io_concurrency = 16 # 1-1000; 0 disables prefetching #maintenance_io_concurrency = 10 # 1-1000; 0 disables prefetching #io_combine_limit = 128kB # usually 1-32 blocks (depends on OS) diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h index 7c1e4316dde..b204e4731c1 100644 --- a/src/include/storage/bufmgr.h +++ b/src/include/storage/bufmgr.h @@ -152,7 +152,7 @@ extern PGDLLIMPORT bool track_io_timing; /* only applicable when prefetching is available */ #ifdef USE_PREFETCH -#define DEFAULT_EFFECTIVE_IO_CONCURRENCY 1 +#define DEFAULT_EFFECTIVE_IO_CONCURRENCY 16 #define DEFAULT_MAINTENANCE_IO_CONCURRENCY 10 #else #define DEFAULT_EFFECTIVE_IO_CONCURRENCY 0 |