Joe added a comment.
Re-thinking about this: what we're really interested in is knowing what is the max lag of a server that is receiving user traffic. So I crafted the following metric in prometheus: `max(time() - blazegraph_lastupdated and rate(blazegraph_queries_done_total{}[5m]) > 10)` This gives us the maximum lag for servers that are receiving a significant amount of traffic. I added a graph showing off this max lag calculation here: https://grafana.wikimedia.org/d/000000489/wikidata-query-service?orgId=1&refresh=1m&from=now-24h&to=now&var-cluster_name=wdqs&viewPanel=41 TASK DETAIL https://phabricator.wikimedia.org/T331405 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Joe Cc: Joe, Aklapper, dcausse, Lucas_Werkmeister_WMDE, Astuthiodit_1, AWesterinen, Arnoldokoth, karapayneWMDE, Invadibot, MPhamWMF, maantietaja, wkandek, JMeybohm, CBogen, ItamarWMDE, Akuckartz, Nandana, Namenlos314, jijiki, Lahi, Gq86, GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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