| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | 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 15:13:50 |
| Message-ID: | CA+TgmobB-XkO_bnXL4eBUzOtC8PCdxb=BKjgJmimfPAujdNEJA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Sep 24, 2014 at 4:36 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
>> To me, being able to say "pg_ctl promote_right_now -m yes_i_mean_it"
>> seems like a friendlier interface than making somebody shut down the
>> server, run pg_resetxlog, and start it up again.
>
> It makes sense to go from paused --> promoted.
Well, we could certainly require that people call
pg_xlog_replay_pause() before they call pg_promote_now(). I don't
think I like that better, but it beats not having pg_promote_now().
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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