T270223: FY2021-2022: Enable basic Multi-DC operations for read traffic (tracking)

Phabricator Link	T270223
Status	open
Priority	High (red)
Points
Phabricator Task Created	2020/12/15 09:08 PM
Wiki Page Created	2021/10/19 10:12 PM
Phabricator Task Last Modified	2021/10/19 09:06 PM
Wiki Page Last Updated	2021/12/20 04:18 PM
Phabricator Task Closed
Authored By	Krinkle (Timo Tijhof)
Assigned To	Krinkle (Timo Tijhof)
Projects	Epic Performance-Team (Backlog: Future Goals)
Platform Engineering Initiative Column
Platform Team Workboards Column
Subtasks	T212129: Move MainStash out of Redis to a simpler multi-dc aware solution (open) T91820: Create HTTP verb and sticky cookie DC routing in VCL (open) T254634: Determine and implement multi-dc strategy for ChronologyProtector (resolved) T267270: Determine multi-dc strategy for CentralAuth (open) T270225: Finish session storage to actually meet multi-DC requirements (open) T113916: Switch ResourceLoader file dependency tracking to MultiDC-friendly backend (open) T279664: Decide on details of progressive Multi-DC roll out (open) T277831: Evaluate WMF's ParserCache database setup for Multi DC (open)
Parent Tasks	T88445: MediaWiki active/active datacenter investigation and work (tracking)

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