MW-1.27.0-wmf.14 deployment blockers
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	greg
	Feb 2 2016, 10:49 PM

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	Project	Branch	Lines +/-	Subject
	mediawiki/core	wmf/1.27.0-wmf.14	+2 -0	Validation of 1.27.0-wmf.14

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Status	Assigned	Task
Resolved	demon	T125597 MW-1.27.0-wmf.14 deployment blockers
Resolved	ori	T126700 Severe save latency regression
Resolved	Anomie	T127772 MWSession redis key retrieved 8-9 times per page request

Event Timeline

greg created this task.Feb 2 2016, 10:49 PM

greg raised the priority of this task from to Medium.

greg updated the task description. (Show Details)

greg added a project: Release-Engineering-Team.

greg added a subscriber: greg.

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptFeb 2 2016, 10:49 PM

Luke081515 moved this task from INBOX to Backlog (ARCHIVED) on the Release-Engineering-Team board.Feb 2 2016, 11:04 PM

Luke081515 added a project: MW-1.27-release (WMF-deploy-2016-02-16_(1.27.0-wmf.14)).Feb 2 2016, 11:14 PM

Luke081515 added a subscriber: Luke081515.

Per Release-Engineering-Team meeting I will handle that train.

I will cut the wmf branches this afternoon starting around 13:00 UTC (14:00 CET).

hashar moved this task from Backlog (ARCHIVED) to In-progress on the Release-Engineering-Team board.Feb 16 2016, 9:56 AM

hashar added a subtask: T126700: Severe save latency regression.Feb 16 2016, 10:09 AM

Change 270977 had a related patch set uploaded (by Hashar):
Validation of 1.27.0-wmf.14

https://gerrit.wikimedia.org/r/270977

gerritbot added a project: Patch-For-Review.Feb 16 2016, 4:00 PM

Change 270977 abandoned by Hashar:
Validation of 1.27.0-wmf.14

Reason:
It pass!

https://gerrit.wikimedia.org/r/270977

Florian added a subscriber: Florian.Feb 17 2016, 9:44 AM

Current status, as far as I can see (just for documentation): wmf.14 is pre-deployed to testwiki, all other group0 wikis still running wmf.13 (as the blocking task isn't resolved, yet).

Yup wmf.14 is blocked until wmf.13 is pristine clear. There is a regression on it; T126700

Redis ops/sec should go back to their previous level -- see T126700#2050735

JanZerebecki mentioned this in T127086: MW 1.27.0-wmf.15 deployment blockers.Feb 22 2016, 2:54 PM

JanZerebecki added a subscriber: JanZerebecki.

Regarding the deploy of wmf.14 (which was cut last week): our plan is to deploy wmf.14 this week, and cut/deploy wmf.15 next week. wmf.15 will have two weeks of changes in it.

Reasoning: After a severe regression like this, especially one where the underlying cause wasn't pin-pointed before it self-corrected, it's sensible to keep the delta with the next deploy small.

greg reassigned this task from hashar to demon.Feb 22 2016, 6:02 PM

Florian mentioned this in T127190: MobileFrontend and cyrillic scripts.Feb 24 2016, 7:38 PM

demon closed this task as Resolved.Mar 1 2016, 6:15 PM

demon moved this task from In-progress to Done on the Release-Engineering-Team board.

ori closed subtask T126700: Severe save latency regression as Resolved.Mar 1 2016, 10:38 PM

mmodell added a project: Release.Apr 2 2016, 1:10 AM

mmodell edited projects, added Release-Engineering-Team (Deployment-Blockers); removed Release-Engineering-Team.May 26 2016, 8:59 PM

greg renamed this task from MW 1.27.0-wmf.14 deployment blockers to MW-1.27.0-wmf.14 deployment blockers.May 27 2016, 7:38 PM

greg set Security to None.

greg removed a project: Patch-For-Review.May 27 2016, 7:40 PM

greg edited projects, added Train Deployments; removed Release-Engineering-Team (Deployment-Blockers).May 16 2017, 3:25 PM