From: Simon Riggs Date: Mon, 4 Feb 2013 16:41:37 +0000 (+0000) Subject: Reset vacuum_defer_cleanup_age to PGC_SIGHUP. X-Git-Tag: REL9_2_3~3 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b5f6c4dbe023e769aef4669bc25bfb6310754602;p=postgresql Reset vacuum_defer_cleanup_age to PGC_SIGHUP. Revert commit 84725aa5efe11688633b553e58113efce4181f2e --- diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 79e438ca01..a311308100 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -2288,7 +2288,8 @@ SET ENABLE_SEQSCAN TO OFF; is measured in terms of number of write transactions occurring on the primary server, it is difficult to predict just how much additional grace time will be made available to standby queries. - This parameter can only be set at server start. + This parameter can only be set in the postgresql.conf + file or on the server command line. You should also consider setting hot_standby_feedback diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 25722fac68..c37c1d9a5f 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -1880,12 +1880,7 @@ static struct config_int ConfigureNamesInt[] = }, { - /* - * Setting this to a higher value without restarting postmaster - * can cause various bugs in TOAST object removal, CLUSTER and - * possibly other places, so this must be changed only on restart. - */ - {"vacuum_defer_cleanup_age", PGC_POSTMASTER, REPLICATION_MASTER, + {"vacuum_defer_cleanup_age", PGC_SIGHUP, REPLICATION_MASTER, gettext_noop("Number of transactions by which VACUUM and HOT cleanup should be deferred, if any."), NULL },