Hello!
As you might already know, Wikdiata Query Service has been misbehaving
in the last 24 hours. Our public SPARQL endpoint [1] was slow and
throwing timeouts. Sadly, exposing a public SPARQL endpoint is a hard
problem and we don't have a final solution to this. Still we have some
improvements. Have a look at the incident report [2] if you want
details.
I also started to write a runbook for WDQS [3]. This should be
interesting mostly to our SRE team, but feel free to also have a look
and suggest improvements / clarifications.
Note that our internal WDQS endpoint was stable during that time (as expected).
Thanks for your help and your patience!
Guillaume
[1]
https://query.wikidata.org/
[2]
https://wikitech.wikimedia.org/wiki/Incident_documentation/20180625-wdqs
[3]
https://wikitech.wikimedia.org/wiki/Wikidata_query_service/Runbook
--
Guillaume Lederrey
Operations Engineer, Search Platform
Wikimedia Foundation
UTC+2 / CEST