Hi,
a test to move the m2 database cluster behind a proxy towards high
availability (ah the irony!) failed for EventLogging, and caused
EventLogging to not be able to write events to the database between
00:59 and 01:21.
The data for that period is not lost, but is available in backup
files, waiting to get injected again into the database.
Just wanted to let you know what happened, in case you notice drops in
graphs / dashboards during that period.
Sorry for the inconveniences,
Christian
P.S.: Documentation are at the (currently still rather empty) Incident
Report:
https://wikitech.wikimedia.org/wiki/Incident_documentation/20141113-EventLo…
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