From: | Pawan Sharma <pawanpg0963(at)gmail(dot)com> |
---|---|
To: | Michael Paquier <michael(at)paquier(dot)xyz> |
Cc: | Achilleas Mantzios <achill(at)matrix(dot)gatewaynet(dot)com>, pgsql-general(at)lists(dot)postgresql(dot)org |
Subject: | Re: Upgrade from PostgreSQL 9.6 to 11 |
Date: | 2019-06-10 06:52:09 |
Message-ID: | CAKqG8NW8i3Pwo+jmRZOUK25et4Rk1PQ=7VcERpmyc22Z+ERnSA@mail.gmail.com |
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Lists: | pgsql-general |
Thanks all,
Is pg_upgrade is the best method if I am doing upgrade on same server or
different server.
Same server means: source and Target on same server
Different: source and Target are different server.
On Mon, Jun 10, 2019, 12:07 PM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
> On Mon, Jun 10, 2019 at 09:00:38AM +0300, Achilleas Mantzios wrote:
> > On 10/6/19 7:36 π.μ., Pawan Sharma wrote:
> >> What is the best way to upgrade from PostgreSQL 9.6 to PostgreSQL
> >> 11 instead of pg_upgrade.
> >
> > why not pg_upgrade ? If the size is near the 3TB mark as you say,
> > pg_upgrade is the fastest IMHO.
>
> When it comes to upgrades, you could also look at logical
> replication. Unfortunately your origin version cannot do that. Have
> you looked at things like BDR or Slony? They are logical-based,
> meaning a lower downtime than pg_upgrade, but they take longer.
>
> For 3TB pg_upgrade can also be very fast if you use --link. Be wary
> of having backups though, all the time.
> --
> Michael
>
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