Re: Logical replication and multimaster
| От | Craig Ringer |
|---|---|
| Тема | Re: Logical replication and multimaster |
| Дата | |
| Msg-id | CAMsr+YHCyzA68tD+x9z8P-xg9rfGcRbGXPqAJsA49Aj42FEwMA@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Logical replication and multimaster (konstantin knizhnik <k.knizhnik@postgrespro.ru>) |
| Ответы |
Re: Logical replication and multimaster
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| Список | pgsql-hackers |
On 3 December 2015 at 19:06, konstantin knizhnik <k.knizhnik@postgrespro.ru> wrote:
-- On Dec 3, 2015, at 10:34 AM, Craig Ringer wrote:On 3 December 2015 at 14:54, konstantin knizhnik <k.knizhnik@postgrespro.ru> wrote:I'd really like to collaborate using pglogical_output if at all possible. Petr's working really hard to get the pglogical downstrem out too, with me helping where I can.And where I can get pglogical_output plugin? Sorry, but I can't quickly find reference with Google...It's been submitted to this CF.Any tests and comments would be greatly appreciated.Thank you.I wonder if there is opposite part of the pipe for pglogical_output - analog of receiver_raw?
It's pglogical, and it's in progress, due to be released at the same time as 9.5. We're holding it a little longer to nail down the user interface a bit better, etc, and because sometimes the real world gets in the way.
The catalogs and UI are very different to BDR, it's much more extensible/modular, it supports much more flexible topologies, etc... but lots of the core concepts are very similar. So if you go take a look at the BDR code that'll give you a pretty solid idea of how a lot of it works, though BDR has whole subsystems pglogical doesn't (global ddl lock, ddl replication, etc).
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