Michael added a comment.
@akosiaris Thank you a lot for your detailed response. I did look into those errors a tiny bit more to properly document them as can be now seen on wikitech <https://wikitech.wikimedia.org/wiki/WMDE/Wikidata/SSR_Service#Availability_objectives_and_accepted_operational_errors>. In the course of that I looked at the last days and noticed some discrepancies to the numbers you provided above. All the following data is for the 7 days between 2020-10-07 00:00:00 and 2020-10-13 23:59:59. - the Grafana SLO panel <https://grafana.wikimedia.org/d/JcMStTFGz/termbox-slo-panel?orgId=1&from=1602028800000&to=1602633599000> shows **277** errors. - the kubernetes logstash for Termbox SSR <https://logstash-next.wikimedia.org/goto/dbf13405ed13e217d271c2ce1f694ae7> has **171** errors in that time frame - 120 timeout errors, 51 envoy 503 errors - I excluded some 19 errors about "startup finished", that are probably the ones you mentioned with "not worth looking into" I was surprised by that, but noticed that there were also a similar amount of network errors between MediaWiki and the Termbox SSR app in that timeframe: - the MediaWiki (PHP) logstash <https://logstash.wikimedia.org/goto/995becc306bb3da55de9e321631c40d0> has **104** errors of Termbox being unreachable It would make sense to me if the SLO covered those network problems as well, as they defacto impact the availability of the service to MediaWiki. Also, taking those errors together, we can account for 275 of the 277 errors shown in the Grafana SLO panel. Is the understanding layed out above correct? TASK DETAIL https://phabricator.wikimedia.org/T255410 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Michael Cc: toan, Lucas_Werkmeister_WMDE, Sakretsu, akosiaris, JMeybohm, WMDE-leszek, Pablo-WMDE, Tarrow, Jakob_WMDE, Addshore, Aklapper, Michael, wkandek, Akuckartz, Iflorez, darthmon_wmde, alaa_wmde, Nandana, jijiki, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Wikidata-bugs, aude, Lydia_Pintscher, Mbch331, Dzahn
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