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Update docs and error message for superuser_reserved_connections.

Commitea92368 made max_wal_sendersa separate pool of backends from max_connections, but the documentationand error message for superuser_reserved_connections weren't updatedat the time, and as a result are somewhat misleading. Update.This is arguably a back-patchable bug fix, but because it seems quiteminor, no back-patch.Patch by Nathan Bossart. Reviewed by Tushar Ahuja and by me.Discussion:http://postgr.es/m/20230119194601.GA4105788@nathanxps13

1 parente86c8b7 commit6c1d5baCopy full SHA for 6c1d5ba

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2 files changed

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doc/src/sgml
- config.sgml
src/backend/utils/init
- postinit.c

2 files changed

-3

lines changed

`‎doc/src/sgml/config.sgml`

Lines changed: 1 addition & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -725,8 +725,7 @@ include_dir 'conf.d'`
`725`	`725`	`number of active concurrent connections is at least`
`726`	`726`	`<varname>max_connections</varname> minus`
`727`	`727`	`<varname>superuser_reserved_connections</varname>, new`
`728`		`- connections will be accepted only for superusers, and no`
`729`		`- new replication connections will be accepted.`
	`728`	`+ connections will be accepted only for superusers.`
`730`	`729`	`</para>`
`731`	`730`
`732`	`731`	`<para>`

`‎src/backend/utils/init/postinit.c`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -931,7 +931,7 @@ InitPostgres(const char *in_dbname, Oid dboid,`
`931`	`931`	`!HaveNFreeProcs(ReservedBackends))`
`932`	`932`	`ereport(FATAL,`
`933`	`933`	`(errcode(ERRCODE_TOO_MANY_CONNECTIONS),`
`934`		`-errmsg("remaining connection slots are reserved fornon-replication superuser connections")));`
	`934`	`+errmsg("remaining connection slots are reserved forsuperusers")));`
`935`	`935`
`936`	`936`	`/* Check replication permissions needed for walsender processes. */`
`937`	`937`	`if (am_walsender)`

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Commit6c1d5ba

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2 files changed

2 files changed

`‎doc/src/sgml/config.sgml`

`‎src/backend/utils/init/postinit.c`

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