They must have queried Q1 ;-) Thad https://www.linkedin.com/in/thadguidry/
On Fri, Jul 24, 2020 at 2:19 PM Ryan Kemper <[email protected]> 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-outage > > 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. > _______________________________________________ > Wikidata mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wikidata >
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