| From: | Jim Nasby <jim(at)nasby(dot)net> |
|---|---|
| To: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Hannu Krosing <hannu(at)2ndQuadrant(dot)com>, Florian Pflug <fgp(at)phlo(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | 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>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Rajeev rastogi <rajeev(dot)rastogi(at)huawei(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Standalone synchronous master |
| Date: | 2014-01-13 21:14:21 |
| Message-ID: | 52D4572D.2040802@nasby.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 1/13/14, 12:21 PM, Joshua D. Drake wrote:
>
> On 01/13/2014 10:12 AM, Hannu Krosing wrote:
>>>> In other words, if we're going to have auto-degrade, the most
>>>> intelligent place for it is in
>>>> RepMgr/HandyRep/OmniPITR/pgPoolII/whatever. It's also the *easiest*
>>>> place. Anything we do *inside* Postgres is going to have a really,
>>>> really hard time determining when to degrade.
>>> +1
>>>
>>> This is also how 2PC works, btw - the database provides the building
>>> blocks, i.e. PREPARE and COMMIT, and leaves it to a transaction manager
>>> to deal with issues that require a whole-cluster perspective.
>>>
>>
>> ++1
>
> +1
Josh, what do you think of the upthread idea of being able to recover in-progress transactions that are waiting when we turn off sync rep? I'm thinking that would be a very good feature to have... and it's not something you can easily do externally.
--
Jim C. Nasby, Data Architect jim(at)nasby(dot)net
512.569.9461 (cell) http://jim.nasby.net
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Andres Freund | 2014-01-13 21:18:21 | Re: Standalone synchronous master |
| Previous Message | Andres Freund | 2014-01-13 21:12:31 | Re: [Lsf-pc] Linux kernel impact on PostgreSQL performance |