Upgrade seems to have gone as well. Read-only mode was enabled for a
bit longer than I initially expected: approximately between 23:16 and
23:30, but all within the scheduled maintenance window. Most of the
time was spent monitoring that the switchover was done correctly, and
that traffic was not affected after the fact.

s2 master is now running a modern operating system version (Debian
Jessie) and the latest version of MariaDB 10 on a new host, and no
replication lag or major issues where detected after the failover. I
will continue monitoring that shard and wikis for stability and
performance.

If you find any further issues, please use Phabricator[0] to
communicate this to us.

[0] <https://phabricator.wikimedia.org/>

On Tue, Feb 9, 2016 at 8:40 PM, Jaime Crespo <[email protected]> wrote:
> Between 23:00 and 23:59 UTC, February 9th 2016 there is a scheduled
> maintenance window that will affect some of the wikis hosted by the
> Wikimedia Foundation. The maintenance is needed in order to perform
> necessary hardware, operating system and database upgrades. During the
> upgrade, content on affected wikis will be available at all times, but
> edits may fail during approximately 5 minutes within that schedule
> (these wikis will be in "read only mode"). The following wikis will be
> affected:
>
> bg.wikipedia.org
> bg.wiktionary.org
> cs.wikipedia.org
> en.wikiquote.org
> en.wiktionary.org
> eo.wikipedia.org
> fi.wikipedia.org
> id.wikipedia.org
> it.wikipedia.org
> nl.wikipedia.org
> no.wikipedia.org
> pl.wikipedia.org
> pt.wikipedia.org
> sv.wikipedia.org
> th.wikipedia.org
> tr.wikipedia.org
> zh.wikipedia.org
>
> All other wikis will *not* be affected by this maintenance.
>
> I apologize in advance for this disruption and will try to minimize
> the duration of the maintenance work.
>
> I will update 
> <https://wikitech.wikimedia.org/wiki/Planned_Maintenance-February_9_2016>
> after the maintenance has finished.
> --
> Jaime Crespo
> <http://wikimedia.org>



-- 
Jaime Crespo
<http://wikimedia.org>

_______________________________________________
Wikitech-l mailing list
[email protected]
https://lists.wikimedia.org/mailman/listinfo/wikitech-l

Reply via email to