| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Immediate standby promotion |
| Date: | 2014-09-25 18:00:30 |
| Message-ID: | CA+TgmoZYC7RCHLUzuSzmz2BYnnfzwxbasbMzLoGt0VjvdMPFJA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Sep 25, 2014 at 1:30 PM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
>> Yes it does cause data loss. The clueful operator has no idea where
>> they are so there is no "used rightly" in that case.
>
> What? There definitely are cases where you don't need to know that to
> the T. Just think of the - quite frequently happening - need to promote
> a standby to run tests or reporting queries that can't be run on a
> standby.
>
> Sure, you shouldn't use it if you expect a very specific set of the data
> being there, but that's not always necessary.
Very well put. +1.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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