| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov> |
| Cc: | Aidan Van Dyk <aidan(at)highrise(dot)ca>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: Re: [COMMITTERS] pgsql: Make CheckRequiredParameterValues() depend upon correct |
| Date: | 2010-04-29 17:03:17 |
| Message-ID: | 1272560597.4161.13890.camel@ebony |
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| Lists: | pgsql-committers pgsql-hackers |
On Thu, 2010-04-29 at 11:48 -0500, Kevin Grittner wrote:
> Simon Riggs <simon(at)2ndQuadrant(dot)com> wrote:
>
> > There is no big use case for "run with HS turned off".
>
> There was mention of running the live database and a warm standby,
> with a connection pooler pointed to both so that it could
> automatically reconnect on failover.
pgpool already copes by design and has been working against HS for
months.
If the connection pooler doesn't have some way of knowing the server is
a standby, then it will try to connect and fail, which presumably it
would retry.
This seems like a hypothetical connection pooler rather than a real one,
to me.
HS can continue to be used with people's existing Warm Standby setup,
just now you can read the database as well. Which is what everybody has
requested.
--
Simon Riggs www.2ndQuadrant.com
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