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Maniphest T105680

Re-enable JPG thumbnail chaining with a single reference thumbnail of 2880
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Description

Following the research in T105475, rendering a single reference thumbnail of 2880 seems like a safe thing to do that should bring down the average thumbnail generation time. Having a single reference thumbnail in the chain instead of several should avoid the sharpening issue that previously prevented chaining from staying deployed, because of the visual quality issues it introduced.

Details

Related Changes in Gerrit:
SubjectRepoBranchLines +/-
Re-enable thumbnail chaining with a single reference thumbnailoperations/mediawiki-configmaster+20 -0
Customize query in gerrit

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Event Timeline

• Gilles created this task.Jul 13 2015, 10:04 AM
• Gilles claimed this task.
• Gilles raised the priority of this task from to Medium.
• Gilles updated the task description. (Show Details)
• Gilles added a project: Performance-Team.
• Gilles subscribed.
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJul 13 2015, 10:04 AM
• Gilles mentioned this in T105681: Create media performance dashboard.Jul 13 2015, 10:06 AM
gerritbot subscribed.Jul 13 2015, 10:43 AM

Change 224393 had a related patch set uploaded (by Gilles):
Re-enable thumbnail chaining with a single reference thumbnail

https://gerrit.wikimedia.org/r/224393

gerritbot added a project: Patch-For-Review.Jul 13 2015, 10:43 AM
• Gilles moved this task from Inbox, needs triage to Doing (old) on the Performance-Team board.Jul 14 2015, 12:38 PM
• Gilles removed a project: Patch-For-Review.Jul 20 2015, 11:24 AM
• Gilles set Security to None.
• Gilles moved this task from Doing (old) to Backlog: Maintenance, non-prioritized on the Performance-Team board.Jul 21 2015, 8:46 PM
gerritbot added a comment.Jul 22 2015, 11:23 PM

Change 224393 merged by jenkins-bot:
Re-enable thumbnail chaining with a single reference thumbnail

https://gerrit.wikimedia.org/r/224393

• Gilles mentioned this in rOMWC6fcc9370ccb1: Re-enable thumbnail chaining with a single reference thumbnail.Jul 22 2015, 11:23 PM
• Gilles closed this task as Resolved.Jul 23 2015, 12:19 AM
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