| From: | Konstantin Osipov <kostja(dot)osipov(at)gmail(dot)com> |
|---|---|
| To: | Andrey Borodin <x4mmm(at)yandex-team(dot)ru> |
| Cc: | Kirill Reshke <reshkekirill(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Greg Sabino Mullane <htamfids(at)gmail(dot)com>, Nikolay Samokhvalov <nik(at)postgres(dot)ai>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Built-in Raft replication |
| Date: | 2025-04-16 10:02:00 |
| Message-ID: | Z_-AGO5sQQ03JGNx@ark |
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| Lists: | pgsql-hackers |
* Andrey Borodin <x4mmm(at)yandex-team(dot)ru> [25/04/16 11:06]:
> > You can run bash from extension, what's the point?
>
> You cannot run bash that will stop backend running bash.
You're right there is a chicken and egg problem when you add
Raft to an existing project, and rebootstrap
becomes a trick, but it's a plumbing trick.
The new member needs to generate and persist a globally unique
identifier as the first step. Later it can
reintroduce itself to the cluster given this identifier
can be preserved in the new incarnation (popen + fork).
--
Konstantin Osipov, Moscow, Russia
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