Document remaining database load groups
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	• nnikkhoui
	Nov 2 2020, 10:07 PM

Description

Document the remainder of the database load groups in mediawiki, as well as when/how to use them. The documentation will likely go in docs/database.md.
The groups that are proposed to remain (taken from parent task T263127) are:

api
dump
vslow

Details

	Subject	Repo	Branch	Lines +/-
	Add db group documentation	mediawiki/core	master	+28 -0
	Remove useless query group from CentralAuthUtils::getCentralReplicaDB()	mediawiki/extensions/CentralAuth	master	+1 -1

Customize query in gerrit

Related Objects
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Status	Assigned	Task
Open	None	T255502 Goal: Save Timing median back under 1 second
Resolved	• Marostegui	T263127 Remove groups from db configs
Resolved	• nnikkhoui	T267077 Document remaining database load groups

Event Timeline

• nnikkhoui created this task.Nov 2 2020, 10:07 PM

I can say something about the "dump" group if someone points me at a location and tells me an appropriate format.

Krinkle mentioned this in T263127: Remove groups from db configs.Nov 3 2020, 4:14 AM

Change 638306 had a related patch set uploaded (by Nikki Nikkhoui; owner: Nikki Nikkhoui):
[mediawiki/core@master] Add db group documentation

https://gerrit.wikimedia.org/r/638306

gerritbot added a project: Patch-For-Review.Nov 3 2020, 5:45 AM

Thanks @ArielGlenn! I put a really simple/generic blurb in the attached patchset, please feel free to comment/amend however you think would be best.

In T267077#6598886, @nnikkhoui wrote:

Thanks @ArielGlenn! I put a really simple/generic blurb in the attached patchset, please feel free to comment/amend however you think would be best.

I've made some changes, see what you think! But please also double-check me as to the api group.

Krinkle triaged this task as Medium priority.Nov 5 2020, 12:33 AM

Krinkle moved this task from Inbox, needs triage to Doing (old) on the Performance-Team board.

I am removing some of the tags here, I don't think DBA or SRE have much to say here, as this is most likely known better by MW devs :-)
Staying subscribed to the task in case I am needed

• AMooney moved this task from Inbox to Tracking/Watching on the Platform Engineering board.Nov 10 2020, 9:54 PM

Change 643380 had a related patch set uploaded (by Krinkle; owner: Aaron Schulz):
[mediawiki/extensions/CentralAuth@master] Remove useless query group from CentralAuthUtils::getCentralReplicaDB()

https://gerrit.wikimedia.org/r/643380

Change 643380 merged by jenkins-bot:
[mediawiki/extensions/CentralAuth@master] Remove useless query group from CentralAuthUtils::getCentralReplicaDB()

https://gerrit.wikimedia.org/r/643380

ReleaseTaggerBot added a project: MW-1.36-notes (1.36.0-wmf.20; 2020-12-01).Nov 26 2020, 4:00 AM

Change 638306 merged by jenkins-bot:
[mediawiki/core@master] Add db group documentation

https://gerrit.wikimedia.org/r/638306

ReleaseTaggerBot edited projects, added MW-1.36-notes (1.36.0-wmf.22; 2020-12-15); removed MW-1.36-notes (1.36.0-wmf.20; 2020-12-01).Dec 10 2020, 12:00 AM

Maintenance_bot removed a project: Patch-For-Review.Dec 10 2020, 12:10 AM

• nnikkhoui closed this task as Resolved.Dec 10 2020, 12:48 AM