That doesn't take directly to a SPARQL query. I just want the SPARQL query.
Kingsley
On Sun, Jul 26, 2020 at 6:55 PM Kingsley Idehen
<kidehen(a)openlinksw.com <mailto:kidehen@openlinksw.com>> wrote:
On 7/24/20 3:18 PM, Ryan Kemper wrote:
Hi all,
We experienced WDQS service disruptions on 2020/07/23. As a result
there was a full outage (inability to respond to all queries) for a
period of several minutes, and a more extended period of
intermittently degraded service (inability to respond to a subset of
queries) for 1-2 hours.
The full incident report is available here:
https://wikitech.wikimedia.org/wiki/Incident_documentation/20200723-wdqs-ou…
Ultimately, we traced the proximate cause to a series of
non-performant queries, which caused a deadlock in blazegraph, the
backend for WDQS. We have placed a temporary block on the IP address
in question and are taking steps to better define service
availability
expectations as well as processes to make
detection of these events
more streamlined going forward.
What was the problem query?
I ask because I would like to try it against our Wikidata endpoint at:
https://wikidata.demo.openlinksw.com/sparql .
We have an "Anytime Query" feature designed for these kinds of
problems,
hence the vested interest in these kinds of problem queries.
--
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