Discussion:
Data loss during the data centre switchover
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Léa Lacroix
2018-10-12 14:46:17 UTC
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Hello all,

During the data centre switchover routine
<https://wikitech.wikimedia.org/wiki/Switch_Datacenter> on October 10th,
some unexpected problems occurred over the past days:

- For a few hours, a small part of the data was not accessible. Some
items and lexemes seemed to have disappeared.
- Some data may have been lost, including edits, preferences changed as
well as user accounts created during a period or about 50 minutes (from
2018-09-13 09:08:17 UTC to 2018-09-13 09:58:26).

Part of the data has already been restored (edits and revisions. The rest
(user accounts, preferences) will be restored at the beginning of next
week.

If you edited Wikidata on September 13th, please check your contributions.
If you encounter any problem in the next days, like items not reappearing
or something missing, let me know.

If you're interested in technical details, you can have a look at the
Phabricator ticket <https://phabricator.wikimedia.org/T206743>. Thanks for
your understanding,
--
Léa Lacroix
Project Manager Community Communication for Wikidata

Wikimedia Deutschland e.V.
Tempelhofer Ufer 23-24
10963 Berlin
www.wikimedia.de

Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V.

Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter
der Nummer 23855 Nz. Als gemeinnÃŒtzig anerkannt durch das Finanzamt fÃŒr
Körperschaften I Berlin, Steuernummer 27/029/42207.
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