| From: | Greg Sabino Mullane <htamfids(at)gmail(dot)com> |
|---|---|
| To: | Vidyashree H S <Shreevidya(dot)hs(at)exaleapsemi(dot)com> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Kashif Zeeshan <kashi(dot)zeeshan(at)gmail(dot)com>, "pgsql-general(at)lists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Postgresql active-active nodes in cluster |
| Date: | 2024-05-13 14:13:54 |
| Message-ID: | CAKAnmm+ZXJ2TxhWSj9CJ_2MtaSxKqqT5kvEhqvb=X3s7g4KgTg@mail.gmail.com |
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| Lists: | pgsql-general |
On Mon, May 13, 2024 at 2:53 AM Vidyashree H S <
Shreevidya(dot)hs(at)exaleapsemi(dot)com> wrote:
>
> - Is that multi master replication is not recommended to do ?
>
>
No, it is not recommended, as it has a very, very narrow use case, and
comes with a lot of drawbacks. Sure, you COULD configure your car to also
be able to ride across the river like a boat, but it's far easier to use a
bridge, or a barge. And now your car is harder to care for, and has a lot
more ways in which it could break.
>
> - If we can do, can I get any resource for implementing that on
> PostgreSQL which is open-source?
>
> You still have not told us your use case. That can help us to guide you to
the right solution. But for totally open source solutions there are not
many out there. Here are some:
* https://github.com/JumpMind/symmetric-ds
* https://github.com/bucardo/bucardo
You can also in theory use logical replication if at least version 16:
* https://www.crunchydata.com/blog/active-active-postgres-16
Cheers,
Greg
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