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-rw-r--r--src/backend/postmaster/checkpointer.c2
-rw-r--r--src/backend/utils/misc/guc.c2
-rw-r--r--src/backend/utils/misc/postgresql.conf.sample2
-rw-r--r--src/test/recovery/t/015_promotion_pages.pl1
4 files changed, 3 insertions, 4 deletions
diff --git a/src/backend/postmaster/checkpointer.c b/src/backend/postmaster/checkpointer.c
index 5907a7befc5..e7e6a2a4594 100644
--- a/src/backend/postmaster/checkpointer.c
+++ b/src/backend/postmaster/checkpointer.c
@@ -145,7 +145,7 @@ static CheckpointerShmemStruct *CheckpointerShmem;
*/
int CheckPointTimeout = 300;
int CheckPointWarning = 30;
-double CheckPointCompletionTarget = 0.5;
+double CheckPointCompletionTarget = 0.9;
/*
* Private state
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index cc0b9f6ad62..0c5dc4d3e84 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -3725,7 +3725,7 @@ static struct config_real ConfigureNamesReal[] =
NULL
},
&CheckPointCompletionTarget,
- 0.5, 0.0, 1.0,
+ 0.9, 0.0, 1.0,
NULL, NULL, NULL
},
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 74b416b74a8..b234a6bfe64 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -231,7 +231,7 @@
#checkpoint_timeout = 5min # range 30s-1d
#max_wal_size = 1GB
#min_wal_size = 80MB
-#checkpoint_completion_target = 0.5 # checkpoint target duration, 0.0 - 1.0
+#checkpoint_completion_target = 0.9 # checkpoint target duration, 0.0 - 1.0
#checkpoint_flush_after = 0 # measured in pages, 0 disables
#checkpoint_warning = 30s # 0 disables
diff --git a/src/test/recovery/t/015_promotion_pages.pl b/src/test/recovery/t/015_promotion_pages.pl
index 6fb70b5001b..25a9e4764a2 100644
--- a/src/test/recovery/t/015_promotion_pages.pl
+++ b/src/test/recovery/t/015_promotion_pages.pl
@@ -26,7 +26,6 @@ my $bravo = get_new_node('bravo');
$bravo->init_from_backup($alpha, 'bkp', has_streaming => 1);
$bravo->append_conf('postgresql.conf', <<EOF);
checkpoint_timeout=1h
-checkpoint_completion_target=0.9
EOF
$bravo->start;