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Log thumbnail access on web servers
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Description

Record:

  • timestamp of access
  • file name
  • requested width
  • whether the thumbnail had to be generated or already existed in the file repo (swift)
  • thumbnail file size

This will allow us to not only get more information about thumbnails falling out of varnish, but also help figure out if an extra thumbnail caching layer on the web servers or image scalers would have any effect.

Event Timeline

Gilles created this task.Jul 20 2015, 11:04 AM
Gilles claimed this task.
Gilles raised the priority of this task from to Normal.
Gilles updated the task description. (Show Details)
Gilles added a project: Performance-Team.
Gilles added a subscriber: Gilles.
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJul 20 2015, 11:04 AM
Gilles moved this task from Inbox to Doing on the Performance-Team board.Jul 20 2015, 11:33 AM

Change 225929 had a related patch set uploaded (by Gilles):
Log thumbnail access

https://gerrit.wikimedia.org/r/225929

Gilles renamed this task from Log thumbnail access on image scalers to Log thumbnail access on web servers.Jul 20 2015, 6:08 PM
Gilles updated the task description. (Show Details)
Gilles set Security to None.

Change 225929 merged by jenkins-bot:
Log thumbnail access

https://gerrit.wikimedia.org/r/225929

Change 225935 had a related patch set uploaded (by Gilles):
Assign thumbnail access log to Monolog debug channel

https://gerrit.wikimedia.org/r/225935

Change 225936 had a related patch set uploaded (by Gilles):
Thumbnail logging and stats

https://gerrit.wikimedia.org/r/225936

Change 225935 merged by jenkins-bot:
Assign thumbnail access log to Monolog debug channel

https://gerrit.wikimedia.org/r/225935

Change 225936 merged by jenkins-bot:
Thumbnail logging and stats

https://gerrit.wikimedia.org/r/225936

Gilles closed this task as Resolved.Jul 21 2015, 8:46 PM

Change 226279 had a related patch set uploaded (by Gilles):
Make thumbnail access logging structured

https://gerrit.wikimedia.org/r/226279

Change 226279 abandoned by Gilles:
Make thumbnail access logging structured

Reason:
Indeed, not needed anymore

https://gerrit.wikimedia.org/r/226279