| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Rakesh Kumar <rakeshkumar464a3(at)gmail(dot)com> |
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Does PG support in place upgrade |
| Date: | 2016-04-27 14:30:41 |
| Message-ID: | 20160427143041.GC3739@momjian.us |
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| Lists: | pgsql-general |
On Wed, Apr 27, 2016 at 10:24:36AM -0400, Rakesh Kumar wrote:
> [PUsaBSKn_n] Compose (@composeio)
> 4/26/16, 1:24 PM
> You can now upgrade your #PostgreSQL 9.4 to 9.5 easily at Compose. buff.ly/
> 1WRsFFu #RDBMS
>
>
> Based on the above tweet it seems that PG has no native way of doing an inplace
> upgrade of a db. How do users upgrade db of tera byte size.
That web page mentions pg_upgrade, which allows in-place major upgrades
to happen in several minutes:
Whichever backup you go with, it will be be restored to a new PostgreSQL
deployment where we may, or may not, run the pg_upgrade tool.
The only _zero-downtime_ upgrade option is with logical-based
replication like Slony.
--
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. +
+ Ancient Roman grave inscription +
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