| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Rajeev rastogi <rajeev(dot)rastogi(at)huawei(dot)com> |
| Cc: | Florian Pflug <fgp(at)phlo(dot)org>, "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Jim Nasby <jim(at)nasby(dot)net>, Hannu Krosing <hannu(at)2ndQuadrant(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Andres Freund <andres(at)2ndquadrant(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, MauMau <maumau307(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Kevin Grittner <kgrittn(at)ymail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Standalone synchronous master |
| Date: | 2014-01-24 21:29:45 |
| Message-ID: | 52E2DB49.50100@agliodbs.com |
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| Lists: | pgsql-hackers |
On 01/24/2014 12:47 PM, Heikki Linnakangas wrote:
> ISTM the consensus is that we need better monitoring/administration
> interfaces so that people can script the behavior they want in external
> tools. Also, a new synchronous apply replication mode would be handy,
> but that'd be a whole different patch. We don't have a patch on the
> table that we could consider committing any time soon, so I'm going to
> mark this as rejected in the commitfest app.
I don't feel that "we'll never do auto-degrade" is determinative;
several hackers were for auto-degrade, and they have a good use-case
argument. However, we do have consensus that we need more scaffolding
than this patch supplies in order to make auto-degrade *safe*.
I encourage the submitter to resumbit and improved version of this patch
(one with more monitorability) for 9.5 CF1. That'll give us a whole
dev cycle to argue about it.
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com
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