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Maniphest T110392

Large increase in thumbnail generation time
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Description

From https://grafana.wikimedia.org/#/dashboard/db/media

Screenshot 2015-08-26 22.49.34.png (260×1 px, 48 KB)

Coincides with deployment of 1.26wmf20 to group 1

Event Timeline

• Gilles created this task.Aug 26 2015, 8:50 PM
• Gilles claimed this task.
• Gilles raised the priority of this task from to Unbreak Now!.
• Gilles updated the task description. (Show Details)
• Gilles added a project: Performance-Team.
• Gilles subscribed.
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptAug 26 2015, 8:50 PM
• Gilles added a comment.Aug 26 2015, 8:52 PM

Nothing visible on image scaler load in ganglia. It's not the actual thumbnailing that's taking time.

• Gilles added a comment.Aug 26 2015, 8:55 PM

Requesting new thumbnail sizes manually from group1 wikis works fine.

• Gilles closed this task as Resolved.Aug 26 2015, 9:08 PM

Caused by https://phabricator.wikimedia.org/rMWd1b1b12dac10cb8085523a6d32ae2904dfa8a2d6

These are now ms, used to be seconds.

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