Downtime is over - WCQS beta service has been restored from the latest
(available on Monday) dump. Unfortunately, due to the issue with
skolemization for SDC dataset, using skolemized blank nodes change was
reverted - we will be working on figuring out what's the problem.

Have a good day,
Zbyszko

On Mon, Jun 7, 2021 at 10:04 AM Zbyszko Papierski <[email protected]>
wrote:

> Hi all,
>
> We are using this downtime to introduce blank node skolemization to WCQS
> Beta[1]. This change is a prerequisite on our future work on real time
> updates for that service.
>
> [1]
> https://www.mediawiki.org/wiki/Wikidata_Query_Service/Blank_Node_Skolemization
>
> On Mon, Jun 7, 2021 at 9:54 AM Zbyszko Papierski <[email protected]>
> wrote:
>
>> Hi all,
>>
>> Due to  low disk space on the WCQS beta instance and possible data
>> corruption that might've happened because of it, we need to take down WCQS
>> beta and rebuild its journal - operation should take about 2 days -
>> starting now. I'm sorry for any inconvenience this may cause.
>> This is a recurring issue, but we have a permanent solution in the
>> pipeline on which we plan to start working on soon: [1].
>>
>> [1] https://phabricator.wikimedia.org/T262265
>> --
>>
>> Zbyszko Papierski (He/Him)
>>
>> Senior Software Engineer
>>
>> Wikimedia Foundation <https://wikimediafoundation.org/>
>>
>
>
> --
>
> Zbyszko Papierski (He/Him)
>
> Senior Software Engineer
>
> Wikimedia Foundation <https://wikimediafoundation.org/>
>


-- 

Zbyszko Papierski (He/Him)

Senior Software Engineer

Wikimedia Foundation <https://wikimediafoundation.org/>
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