| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, pgsql-docs(at)postgresql(dot)org, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] Streaming replication document improvements |
| Date: | 2010-04-20 14:08:37 |
| Message-ID: | 26449.1271772517@sss.pgh.pa.us |
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| Lists: | pgsql-docs pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Tue, Apr 20, 2010 at 9:47 AM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
>> 3. Your proposal
>> Treat superuser replication connection like non-superuser one
> Well, only for this one very specific purpose. I would adjust the
> docs like this:
> Determines the number of connection "slots" that are reserved for
> connections by PostgreSQL superusers. At most max_connections
> connections can ever be active simultaneously. Whenever the number of
> active concurrent connections is at least max_connections minus
> superuser_reserved_connections, new connections will be accepted only
> for superusers, and no new replication connections will be accepted.
> I think that's pretty simple and clear.
+1. I'm not sure about the consequences of converting walsender to
non-superuser across the board, and would prefer not to experiment
with it at this stage of the release cycle.
regards, tom lane
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