Measure time spent by Thumbor connecting to and reading from Memcache
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	• Gilles
	Jan 22 2018, 12:40 PM

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Description

One of the throttling checks uses a local Memcache. We need to measure time spent in there and report it in the response headers.

Details

Related Changes in Gerrit:

	Subject	Author	Repo	Branch	Lines +/-
	Upgrade to 1.11	Gilles	operations/debs/python-thumbor-wikimedia	master	+117 -38

Customize query in gerrit

Revisions and Commits

rTHMBREXT Thumbor Plugins
		rTHMBREXTc9188c0e1125 Version bump
	Restricted Differential Revision	rTHMBREXTaf6e94f810d9 Measure time spent in Swift, Memcache and Poolcounter

Related Objects
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		Status	Subtype	Assigned	Task
		Resolved		• Gilles	T185466 Review Varnish slow log for upload.wikimedia.org
		Resolved		• Gilles	T185483 Measure time spent by Thumbor connecting to and reading from Memcache

Event Timeline

• Gilles created this task.Jan 22 2018, 12:40 PM

• Gilles triaged this task as Medium priority.

• Gilles added a project: Thumbor.

• Gilles added a project: Patch-For-Review.Jan 23 2018, 9:37 AM

• Gilles added a revision: Restricted Differential Revision.Jan 23 2018, 10:10 AM

• Gilles moved this task from Inbox, needs triage to Doing (old) on the Performance-Team board.Jan 30 2018, 9:02 PM

• Gilles added a commit: rTHMBREXTaf6e94f810d9: Measure time spent in Swift, Memcache and Poolcounter.Feb 1 2018, 10:58 AM

• Gilles added a commit: rTHMBREXTc9188c0e1125: Version bump.Feb 1 2018, 11:06 AM

Change 407412 had a related patch set uploaded (by Gilles; owner: Gilles):
[operations/debs/python-thumbor-wikimedia@master] Upgrade to 1.11

https://gerrit.wikimedia.org/r/407412

Change 407412 merged by Filippo Giunchedi:
[operations/debs/python-thumbor-wikimedia@master] Upgrade to 1.11

https://gerrit.wikimedia.org/r/407412

• Gilles removed a project: Patch-For-Review.Feb 1 2018, 4:41 PM

Mentioned in SAL (#wikimedia-operations) [2018-02-02T09:57:08Z] <godog> roll-upgrade thumbor to 1.11 - T178072 T185478 T185483 T185485 T183907 T179954

Stashbot mentioned this in T185485: Measure time spent by Thumbor connecting to and reading from Poolcounter.Feb 2 2018, 9:57 AM

Stashbot mentioned this in T183907: Thumbor 500 while thumbnailing some webm files.

Stashbot mentioned this in T179954: Thumbor errors should contain a trackable request id.

• Gilles closed this task as Resolved.Feb 2 2018, 10:57 AM

Measure time spent by Thumbor connecting to and reading from MemcacheClosed, ResolvedPublicActions