T161671: Compacting the revision table

Phabricator Link	T161671
Status	stalled
Priority	Medium (orange)
Points
Phabricator Task Created	2017/03/29 01:05 AM
Wiki Page Created	2019/06/09 01:21 PM
Phabricator Task Last Modified	2021/11/23 06:49 PM
Wiki Page Last Updated	2021/11/23 08:07 PM
Phabricator Task Closed
Authored By	tstarling (Tim Starling)
Assigned To	daniel (Daniel Kinzler)
Projects	Epic MediaWiki-Revision-backend (Revision store) Multi-Content-Revisions (Watching) Patch-For-Review Platform Team Initiatives (Revision Storage Schema Improvements) Platform Team Workboards (Epics) (Paused) Schema-change (Cleanup)
Platform Engineering Initiative Column	Revision Storage Schema Improvements
Platform Team Workboards Column	Epics: Paused
Subtasks	T184615: Once MCR is deployed, drop the rev_text_id, rev_content_model, and rev_content_format fields from the revision table (duplicate) T6715: Allow comments longer than 255 bytes (resolved) T227047: Complete actor table and comment table migration (open) T215445: comment and actor view challenges for Cloud Services (open) T251343: Drop unused columns from revision table in DatabaseUpdater (CommentStore, Actor, MCR) (resolved) T278917: Clean up obsolete ActorMigration usages for non-temp tables (resolved)
Parent Tasks

Column Transitions: (Added project: ⇑, Removed project: ⇓,Entered column: ⇒, Exited column: ⇐)

Project	Column	Date
MediaWiki-Platform-Team	⇐ Inbox	20 April 2017
MediaWiki-Platform-Team	⇒ Watching	20 April 2017
Schema-change	⇐ Unsorted	26 April 2017
Schema-change	⇒ Cleanup	26 April 2017
Wikimedia-Rdbms	⇐ Untriaged	7 May 2017
Wikimedia-Rdbms	⇒ Schema changes	7 May 2017
MediaWiki-Platform-Team	⇐ Watching	13 October 2017
MediaWiki-Platform-Team	⇒ MWPT-Q1-Jul-Sep-2017	13 October 2017
MediaWiki-Platform-Team (MWPT-Q1-Jul-Sep-2017)	⇐ Ready	13 October 2017
MediaWiki-Platform-Team (MWPT-Q1-Jul-Sep-2017)	⇒ In Progress	13 October 2017
MediaWiki-Platform-Team	⇐ Inbox	19 October 2017
MediaWiki-Platform-Team	⇒ Epic	19 October 2017
MediaWiki-Platform-Team	⇐ Epic	19 October 2017
MediaWiki-Platform-Team	⇒ Epic	19 October 2017
Multi-Content-Revisions	⇐ Inbox	20 November 2017
Multi-Content-Revisions	⇒ Epic	20 November 2017
MediaWiki-Platform-Team	⇐ Epic	9 January 2018
MediaWiki-Platform-Team	⇒ Epic	9 January 2018
Multi-Content-Revisions	⇐ Epic	7 May 2018
Multi-Content-Revisions	⇒ Watching	7 May 2018
Multi-Content-Revisions	⇐ Watching	8 May 2018
Multi-Content-Revisions	⇒ Epic	8 May 2018
⇓ MediaWiki-Platform-Team		11 July 2018
⇑ Core-Platform-Team-Old		11 July 2018
Core-Platform-Team-Old	⇐ Inbox	11 July 2018
Core-Platform-Team-Old	⇒ Epic	11 July 2018
⇓ Core-Platform-Team-Old		1 October 2018
⇑ Platform Team Legacy		1 October 2018
Platform Team Legacy	⇐ Inbox	1 October 2018
Platform Team Legacy	⇒ Epics	1 October 2018
⇑ Platform Engineering		2 October 2018
⇓ Platform Engineering		3 October 2018
⇓ Platform Engineering (Needs Cleaning - Code Health (TEC13))		3 October 2018
Platform Engineering	⇐ Inbox	3 October 2018
Platform Engineering	⇒ Needs Cleaning - Code Health (TEC13)	3 October 2018
⇑ Platform Engineering		3 October 2018
⇑ Platform Engineering (Needs Cleaning - Code Health (TEC13))		3 October 2018
⇓ Platform Engineering		3 October 2018
Platform Engineering	⇐ Inbox	3 October 2018
Platform Engineering	⇒ Needs Cleaning - Code Health (TEC13)	3 October 2018
⇑ Platform Engineering (Needs Cleaning - Code Health (TEC13))		3 October 2018
⇓ Platform Engineering (Needs Cleaning - Code Health (TEC13))		3 October 2018
⇑ Platform Engineering		3 October 2018
⇓ Platform Engineering		3 October 2018
⇓ Platform Team Legacy		3 October 2018
⇑ Platform Team Legacy (Epic)		3 October 2018
⇑ Platform Engineering (Needs Cleaning - Code Health (TEC13))		3 October 2018
Platform Engineering	⇐ Needs Cleaning - Code Health (TEC13)	3 October 2018
Platform Engineering	⇒ Needs Cleaning - Code Health (TEC13)	3 October 2018
Multi-Content-Revisions	⇐ Epic	4 October 2018
Multi-Content-Revisions	⇒ Watching	4 October 2018
Platform Engineering	⇐ Needs Cleaning - Code Health (TEC13)	8 November 2018
Platform Engineering	⇒ Needs Cleaning - Code Health (TEC13)	8 November 2018
⇓ Platform Team Legacy (Epic)		5 July 2019
⇓ Platform Engineering (Needs Cleaning - Code Health (TEC13))		9 July 2019
⇑ Platform Engineering (Revision Storage Schema Improvements)		9 July 2019
⇓ Wikimedia-Rdbms		18 July 2019
⇑ MediaWiki-Revision-backend		18 July 2019
⇓ Platform Engineering (Revision Storage Schema Improvements)		26 July 2019
Platform Engineering	⇐ Revision Storage Schema Improvements	26 July 2019
Platform Engineering	⇒ mop	26 July 2019
⇑ Platform Team Initiatives (Revision Storage Schema Improvements)		26 July 2019
MediaWiki-Revision-backend	⇐ Untriaged	1 August 2019
MediaWiki-Revision-backend	⇒ Revision store	1 August 2019
⇑ Platform Team Workboards (Initiatives)		18 March 2020
Platform Team Workboards (Initiatives)	⇐ Later	18 March 2020
Platform Team Workboards (Initiatives)	⇒ Paused	18 March 2020
Platform Team Initiatives	⇐ Revision Storage Schema Improvements	19 March 2020
Platform Team Initiatives	⇒ Revision Storage Schema Improvements	19 March 2020
Platform Team Workboards (Initiatives)	⇐ Paused	24 March 2020
Platform Team Workboards (Initiatives)	⇒ Paused	24 March 2020
⇓ Platform Team Workboards (Initiatives)		15 April 2020
⇑ Platform Team Workboards (Epics)		15 April 2020
Platform Team Workboards (Epics)	⇐ Epic Backlog	15 April 2020
Platform Team Workboards (Epics)	⇒ Paused	15 April 2020
⇓ Platform Team Workboards (Epics)		27 April 2020
⇑ Platform Team Workboards (Clinic Duty Team)		27 April 2020
⇓ Platform Team Workboards (Clinic Duty Team)		28 April 2020
⇑ Platform Team Workboards (Epics)		28 April 2020