Re: Uber migrated from Postgres to MySQL - Mailing list pgsql-general

From Achilleas Mantzios
Subject Re: Uber migrated from Postgres to MySQL
Date
Msg-id 579863F2.8020205@matrix.gatewaynet.com
Whole thread Raw
In response to Re: Uber migrated from Postgres to MySQL  (Condor <condor@stz-bg.com>)
Responses Re: Uber migrated from Postgres to MySQL  (Scott Mead <scottm@openscg.com>)
List pgsql-general
On 27/07/2016 10:15, Condor wrote:
> On 26-07-2016 21:04, Dorian Hoxha wrote:
>> Many comments: https://news.ycombinator.com/item?id=12166585
>> https://www.reddit.com/r/programming/comments/4uph84/why_uber_engineering_switched_from_postgres_to/
>>
>> On Tue, Jul 26, 2016 at 7:39 PM, Guyren Howe <guyren@gmail.com> wrote:
>>
>>> Honestly, I've never heard of anyone doing that. But it sounds like
>>> they had good reasons.
>>>
>>> https://eng.uber.com/mysql-migration/
>>>
>>> Thoughts?
>>>
>>> --
>>> Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
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>
>
> They are right for upgrades.
> It's a hard to shutdown 1 TB database and wait couple of days pg_upgrade to finish upgrade and meanwhile database is
offline.
> In some distros after upgrade of PG version you don't have old binary and library, need to do full dump and restore
thattake time and disk space. 

Our last 1TB upgrade from 9.0 -> 9.3 went like a charm in something like seconds. (with the -k option)
However, be warned that the planing and testing took one full week.

>
>
> Regards,
> Hristo S.
>
>
>
>
>


--
Achilleas Mantzios
IT DEV Lead
IT DEPT
Dynacom Tankers Mgmt



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