Incident documentation/2021-09-18 appserver latency: Difference between revisions

Latest revision as of 17:49, 8 April 2022

Redirect to:

@@ Line 1: / Line 1: @@
-{{irdoc|status=review}}
+#REDIRECT [[Incidents/2021-09-18 appserver latency]]
-==Summary==
-Slow database queries resulted in php-fpm worker exhaustion.
-'''Impact''': For about 10 minutes, backends were slow or unavailable for all wikis. This affected logged-in users, most bots/API queries, and some page views from unregistered users (pages that were recently edited or otherwise expired from the CDN cache).
-'''Documentation''':
-* Public incident task: [[phab:T291311|T291311]]
-* Similar to [[Incident documentation/2021-09-04 appserver latency]] and [[Incident documentation/2021-04-15 appserver latency]].
-==Actionables==
-* [[phab:T284419|T284419]] (restricted)