Re: WIP: Failover Slots
| От | Simon Riggs |
|---|---|
| Тема | Re: WIP: Failover Slots |
| Дата | |
| Msg-id | CANP8+j+Rgz5t-Yttba1Djv56rfhs8y+Wt8YcEPaK8RYZ-V+voQ@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: WIP: Failover Slots (Robert Haas <robertmhaas@gmail.com>) |
| Список | pgsql-hackers |
On 21 January 2016 at 16:31, Robert Haas <robertmhaas@gmail.com> wrote:
--
On Fri, Jan 1, 2016 at 7:50 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> Failover Slots
> In the current patch, any slot defined on a master will generate WAL,
> leading to a pending-slot being present on all standby nodes. When a standby
> is promoted, the slot becomes usable and will have the properties as of the
> last fsync on the master.
No objection to the concept, but I think the new behavior needs to be
optional. I am guessing that you are thinking along similar lines,
but it's not explicitly called out here.
I was unsure myself; but making them optional seems reasonable.
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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