| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Rakesh Kumar <rakeshkumar464a3(at)gmail(dot)com> |
| Cc: | PostgreSQL General <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Uber migrated from Postgres to MySQL |
| Date: | 2016-07-27 16:47:24 |
| Message-ID: | 20160727164724.GB27332@momjian.us |
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| Thread: | |
| Lists: | pgsql-general |
On Wed, Jul 27, 2016 at 12:33:27PM -0400, Rakesh Kumar wrote:
> On Wed, Jul 27, 2016 at 11:45 AM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
>
> > I agree, but I am not sure how to improve it. The big complaint I have
> > heard is that once you upgrade and open up writes on the upgraded
> > server, you can't re-apply those writes to the old server if you need to
> > fall back to the old server. I also don't see how to improve that either.
>
> doesn't and pg_logical solve this by logically replicating and allowing for
> different architecture/version between the replication nodes ?
Yes. I was saying I don't know how to improve pg_upgrade to address it.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
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