diff options
Diffstat (limited to 'src/backend/utils')
| -rw-r--r-- | src/backend/utils/misc/guc.c | 8 | ||||
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 10 |
2 files changed, 7 insertions, 11 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index da74f00ab24..28ebcb6f3fa 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -2281,7 +2281,6 @@ static struct config_int ConfigureNamesInt[] = GUC_UNIT_BLOCKS }, &checkpoint_flush_after, - /* see bufmgr.h: OS dependent default */ DEFAULT_CHECKPOINT_FLUSH_AFTER, 0, WRITEBACK_MAX_PENDING_FLUSHES, NULL, NULL, NULL }, @@ -2310,12 +2309,12 @@ static struct config_int ConfigureNamesInt[] = { {"wal_writer_flush_after", PGC_SIGHUP, WAL_SETTINGS, - gettext_noop("Amount of WAL written out by WAL writer triggering a flush."), + gettext_noop("Amount of WAL written out by WAL writer that triggers a flush."), NULL, GUC_UNIT_XBLOCKS }, &WalWriterFlushAfter, - 128, 0, INT_MAX, + (1024*1024) / XLOG_BLCKSZ, 0, INT_MAX, NULL, NULL, NULL }, @@ -2439,7 +2438,6 @@ static struct config_int ConfigureNamesInt[] = GUC_UNIT_BLOCKS }, &bgwriter_flush_after, - /* see bufmgr.h: OS dependent default */ DEFAULT_BGWRITER_FLUSH_AFTER, 0, WRITEBACK_MAX_PENDING_FLUSHES, NULL, NULL, NULL }, @@ -2467,7 +2465,7 @@ static struct config_int ConfigureNamesInt[] = GUC_UNIT_BLOCKS }, &backend_flush_after, - 0, 0, WRITEBACK_MAX_PENDING_FLUSHES, + DEFAULT_BACKEND_FLUSH_AFTER, 0, WRITEBACK_MAX_PENDING_FLUSHES, NULL, NULL, NULL }, diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index 7c2daa54bc8..0df15380a9a 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -156,8 +156,7 @@ #bgwriter_delay = 200ms # 10-10000ms between rounds #bgwriter_lru_maxpages = 100 # 0-1000 max buffers written/round #bgwriter_lru_multiplier = 2.0 # 0-10.0 multiplier on buffers scanned/round -#bgwriter_flush_after = 0 # 0 disables, - # default is 512kB on linux, 0 otherwise +#bgwriter_flush_after = 0 # measured in pages, 0 disables # - Asynchronous Behavior - @@ -166,7 +165,7 @@ #max_parallel_workers_per_gather = 2 # taken from max_worker_processes #old_snapshot_threshold = -1 # 1min-60d; -1 disables; 0 is immediate # (change requires restart) -#backend_flush_after = 0 # 0 disables, default is 0 +#backend_flush_after = 0 # measured in pages, 0 disables #------------------------------------------------------------------------------ @@ -196,7 +195,7 @@ #wal_buffers = -1 # min 32kB, -1 sets based on shared_buffers # (change requires restart) #wal_writer_delay = 200ms # 1-10000 milliseconds -#wal_writer_flush_after = 1MB # 0 disables +#wal_writer_flush_after = 1MB # measured in pages, 0 disables #commit_delay = 0 # range 0-100000, in microseconds #commit_siblings = 5 # range 1-1000 @@ -207,8 +206,7 @@ #max_wal_size = 1GB #min_wal_size = 80MB #checkpoint_completion_target = 0.5 # checkpoint target duration, 0.0 - 1.0 -#checkpoint_flush_after = 0 # 0 disables, - # default is 256kB on linux, 0 otherwise +#checkpoint_flush_after = 0 # measured in pages, 0 disables #checkpoint_warning = 30s # 0 disables # - Archiving - |