Re: increasing HA
| От | Thomas Poty |
|---|---|
| Тема | Re: increasing HA |
| Дата | |
| Msg-id | CAN_ctnj1jrABJUdwgAfLWhwn6nkWPa1=tKKD3+cDLnOPcALaGQ@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: increasing HA (Dmitri Maziuk <dmaziuk@bmrb.wisc.edu>) |
| Ответы |
Re: increasing HA
|
| Список | pgsql-general |
> How many nodes do you want run? Keep in mind that with only 2 nodes, fencing off the right one is by definition an undecidable problem. That's one of the features of the current linux HA stack that makes one want to go BSD/CARP.
>
> And if you want to run fully distributed, you might want to look at redis in the first place.
We have one master and 2 slaves so 3 nodes
Le mer. 5 sept. 2018 à 16:42, Dmitri Maziuk <dmaziuk@bmrb.wisc.edu> a écrit :
On Wed, 5 Sep 2018 13:23:41 +0200
Thomas Poty <thomas.poty@gmail.com> wrote:
> At first glance, i may use for automatic failover PAF, a proxy HAproxy and
> for fencincg, i am a bit disappointed, i don't know what to do/use
How many nodes do you want run? Keep in mind that with only 2 nodes, fencing off the right one is by definition an undecidable problem. That's one of the features of the current linux HA stack that makes one want to go BSD/CARP.
And if you want to run fully distributed, you might want to look at redis in the first place.
--
Dmitri Maziuk <dmaziuk@bmrb.wisc.edu>
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