| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, jd(at)commandprompt(dot)com, Thom Brown <thom(at)linux(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Dave Page <dpage(at)pgadmin(dot)org>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Configuring synchronous replication |
| Date: | 2010-09-23 17:03:36 |
| Message-ID: | 29055.1285261416@sss.pgh.pa.us |
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Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Thu, Sep 23, 2010 at 12:52 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Um ... so how does this standby know what master to connect to, what
>> password to offer, etc? I don't think that "pass down parameters after
>> connecting" is likely to cover anything but a small subset of the
>> configuration problem.
> Huh? We have that stuff already.
Oh, I thought part of the objective here was to try to centralize that
stuff. If we're assuming that slaves will still have local replication
configuration files, then I think we should just add any necessary info
to those files and drop this entire conversation. We're expending a
tremendous amount of energy on something that won't make any real
difference to the overall complexity of configuring a replication setup.
AFAICS the only way you make a significant advance in usability is if
you can centralize all the configuration information in some fashion.
regards, tom lane
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