Raise max setting of checkpoint_timeout to 1d

Previously checkpoint_timeout was capped at 3600s
New max setting is 86400s = 24h = 1d

Discussion: 32558.1454471895@sss.pgh.pa.us

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 4bb32fe7786867b798e16354c42b724426cd1474..45bf8a438b5663e9019dc6d6c6b478b5ded7288d 100644 (file)
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -2614,7 +2614,7 @@ include_dir 'conf.d'
       <listitem>
        <para>
         Maximum time between automatic WAL checkpoints, in seconds.
-        The valid range is between 30 seconds and one hour.
+        The valid range is between 30 seconds and one day.
         The default is five minutes (<literal>5min</>).
         Increasing this parameter can increase the amount of time needed
         for crash recovery.

diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 31172ef3007476ba60ca27c2e5d97252ee4fa908..7b7352b5cb2ec009f2b89bdd4222a70261c8de02 100644 (file)
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -2250,7 +2250,7 @@ static struct config_int ConfigureNamesInt[] =
                        GUC_UNIT_S
                },
                &CheckPointTimeout,
-               300, 30, 3600,
+               300, 30, 86400,
                NULL, NULL, NULL
        },
 

diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 9644a667ff87a8172a984ea0d77fa23661f03805..ed81e64c0b4d90fe94d54127e9ed19371e6c3d5b 100644 (file)
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -203,7 +203,7 @@
 
 # - Checkpoints -
 
-#checkpoint_timeout = 5min             # range 30s-1h
+#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