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Clean up ORES thresholds cache: pre-emptively check before expiry
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Description

Let's follow up on Krinkle's suggestion to check the cached value *before* it expires, and if the service is unreachable, put the old value back into the cache for some shorter TTL.

The benefit is that we won't unnecessarily degrade ORES features in the event that the cache expires and an API request fails.

Event Timeline

Ladsgroup triaged this task as Medium priority.Nov 28 2018, 6:32 AM
Harej removed awight as the assignee of this task.Apr 16 2019, 1:28 AM
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We are moving to Lift Wing: https://wikitech.wikimedia.org/wiki/Machine_Learning/LiftWing

I am closing old tasks related to ORES since it is being deprecated, please re-open if you feel that any work could be done on Lift Wing.