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Maniphest T219175

[Mega] - Migrate data from wb_terms to new schema
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This ticket has been made too join the moving parts and link to the EPIC

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StatusSubtypeAssignedTask
 ResolvedAddshoreT208425 [EPIC] Kill the wb_terms table
 ResolvedArielGlennT226167 audit public tables and make sure we dump them all
 ResolvedAddshoreT219175 [Mega] - Migrate data from wb_terms to new schema
 ResolvedAddshoreT219120 [Checkpoint 1] Create Schema, Migration plan and Doctrine DBAL connection
Resolved• alaa_wmdeT219142 Send the schema to DBAs and follow up with their review
 Resolved• alaa_wmdeT219143 Write DDL sql files for creating the schema
 Resolved• alaa_wmdeT220210 Create a script to generate lots of Items/Properties with lots of Terms
 ResolvedNoneT220230 Tailor a migration plan
 DeclinedNoneT220231 Migration Plan 2
 Declined• alaa_wmdeT219145 Migration Plan 1
 ResolvedLadsgroupT220480 Migration Plan 3
 ResolvedAddshoreT219121 [Checkpoint 2] Refactor Write & Migration code for Properties
 ResolvedLadsgroupT219294 Create interface for writing and deleting entity terms
 ResolvedJeroenDeDauwT219295 Create service for writing property terms
 DeclinedNoneT220169 Optimize term updating
 ResolvedNoneT219297 Adjust current write logic to write property terms to new schema
 ResolvedNoneT219894 Create maintenance script for migrating property terms to new schema
 ResolvedLadsgroupT219296 Update TermSqlStore to comply with EntityTermStoreWriter interface
 ResolvedNoneT220150 [Story] Clean up unused records
 InvalidNoneT221699 Introduce appropriate abstraction for clean up invocation in wikibase-term-store
 DeclinedNoneT221700 implement clean up logic in doctrine-term-store
 ResolvedLucas_Werkmeister_WMDET221701 implement clean up logic in MW DBAL store
 InvalidNoneT221703 add a job to wikibase to invoke clean up logic
 DeclinedNoneT221704 Update wikibase logic to queue a deferred update for cleanup after updating/delete terms in terms store
 ResolvedLadsgroupT221615 Make a test instance in cloud VPS to test new term store
 DeclinedNoneT219805 Investigate Doctrine DBAL usage possibility
 ResolvedJeroenDeDauwT220155 Implement Doctrine DBAL Driver Connection wrapper for MW db connection
 DeclinedNoneT221568 Improve MW connection access
 Resolved• alaa_wmdeT224269 Handle race-conditions between storage and cleanup logic
 ResolvedLucas_Werkmeister_WMDET225050 Update DatabaseItemTermStore and DatabasePropertyTermStore to use callback logic in DatabaseTermIdsAcquirer
 ResolvedLucas_Werkmeister_WMDET224504 Implement database-based PropertyTermStore
 ResolvedLucas_Werkmeister_WMDET224541 Update Wikibase entity saving logic to use PropertyTermStore
 ResolvedAddshoreT219122 [Checkpoint 4] Refactor Write & Migration code for Items
 ResolvedNoneT221564 Create maintenance script for populating new item term persistence
 InvalidNoneT224542 Update Wikibase entity saving logic to use ItemTermStore
 Resolved• alaa_wmdeT224527 Implement database-based ItemTermStore
 ResolvedLadsgroupT219123 Migrate to and read from new store for item terms
 InvalidNoneT221715 Implement ItemTermStore in mediawiki dbal lib
 DuplicateLadsgroupT225055 Switch `tmpItemTermsMigrationStages` to MIGRATION_WRITE_BOTH
 ResolvedLadsgroupT225056 Run Item Terms Rebuild script
 DuplicateLadsgroupT225057 Switch `tmpItemTermsMigrationStages` to MIGRATION_WRITE_NEW
 ResolvedLadsgroupT234329 Investigate, fix and reimport failing item terms into new store
 ResolvedLadsgroupT232393 Find out why rebuilding some items in new term store failed
 ResolvedLadsgroupT234948 New Wikibase deadlocks on Wikidata wiki since 2019-10-08T00:00:02: Wikibase\Lib\Store\Sql\Terms\{closure} Deadlock found when trying to get lock; try restarting transaction
 ResolvedAddshoreT235265 Slow query on SpecialMostLinked creating lag on wikidata slaves
 ResolvedAddshoreT239470 Check the success of the initial terms migration (does it have holes)
 ResolvedAddshoreT239471 Sqoop wikidata terms tables into hadoop
 ResolvedLadsgroupT240235 Alter rebuildItemTerms.php to allow passing of a a list of int item ids to process
 ResolvedAddshoreT245740 LUA getLabelWithLang calls result in many db queries to terms storage with spikey and unpredictable patterns
 ResolvedLadsgroupT246005 Wikibase client description API module results in 15k selected rows with new term storage
 ResolvedLadsgroupT246159 Setting on read new for items causes increased worst response time and number of open connections
 ResolvedLadsgroupT219301 Migrate to and read from new store for property terms
 ResolvedJun 17 2019• alaa_wmdeT224403 Update Labs replication and views to include new schema tables
 Resolved• alaa_wmdeT225038 Add new schema tables as public views in labs
 ResolvedJun 18 2019LadsgroupT225039 Add normalized tables to production
 ResolvedNoneT225040 Check if filtering is needed in labs for new term store data
 ResolvedJun 23 2019• alaa_wmdeT225051 Switch `tmpPropertyTermsMigrationStage` to MIGRATION_WRITE_BOTH
 ResolvedJun 25 2019LadsgroupT225052 Run Property Terms Rebuild script
 Resolved• alaa_wmdeT225053 Switch `tmpPropertyTermsMigrationStage` to MIGRATION_WRITE_NEW
 Resolved• alaa_wmdeT226008 Lookup obtained via SingleEntitySourceServices::getPrefetchingTermLookup must obey EntitySource
 ResolvedBUG REPORT• alaa_wmdeT230119 New term store connects to the wrong host in clients
 ResolvedLadsgroupT225054 Switch `tmpPropertyTermsMigrationStage` to MIGRATION_NEW

Event Timeline

Addshore created this task.Mar 25 2019, 4:09 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMar 25 2019, 4:09 PM
Addshore added a parent task: T208425: [EPIC] Kill the wb_terms table.Mar 25 2019, 4:10 PM
Addshore added subtasks: T219120: [Checkpoint 1] Create Schema, Migration plan and Doctrine DBAL connection , T219121: [Checkpoint 2] Refactor Write & Migration code for Properties, T219122: [Checkpoint 4] Refactor Write & Migration code for Items, T219123: Migrate to and read from new store for item terms.
Addshore mentioned this in T208425: [EPIC] Kill the wb_terms table.Mar 25 2019, 4:38 PM
ArielGlenn subscribed.Aug 20 2019, 5:26 AM
Addshore closed subtask T219120: [Checkpoint 1] Create Schema, Migration plan and Doctrine DBAL connection as Resolved.Oct 31 2019, 7:27 AM
Addshore closed subtask T219121: [Checkpoint 2] Refactor Write & Migration code for Properties as Resolved.
Addshore closed subtask T219122: [Checkpoint 4] Refactor Write & Migration code for Items as Resolved.
Addshore added a subtask: T219301: Migrate to and read from new store for property terms.Oct 31 2019, 7:40 AM
Addshore updated the task description. (Show Details)Dec 19 2019, 5:12 PM
Addshore updated the task description. (Show Details)
Addshore updated the task description. (Show Details)
Addshore merged a task: T232194: Terms migration to new store.
Addshore added subscribers: • alaa_wmde, • Marostegui, Ladsgroup, WMDE-leszek.
ArielGlenn added a parent task: T226167: audit public tables and make sure we dump them all.Dec 20 2019, 12:09 PM
Addshore added a project: Wikidata-Campsite.Jan 7 2020, 1:36 PM
Addshore edited projects, added Wikidata-Campsite (Wikidata-Campsite-Iteration-∞ (On Hold)); removed Wikidata-Campsite.
Addshore moved this task from To Do (prioritised from top to bottom) to Stalled/Waiting on the Wikidata-Campsite (Wikidata-Campsite-Iteration-∞ (On Hold)) board.
Maintenance_bot moved this task from incoming to in progress on the Wikidata board.Jan 7 2020, 2:16 PM
Addshore triaged this task as Medium priority.Jan 14 2020, 4:12 PM
Addshore closed subtask T219301: Migrate to and read from new store for property terms as Resolved.Mar 6 2020, 2:00 PM
Addshore claimed this task.Mar 6 2020, 2:05 PM
Restricted Application added a project: User-Addshore. · View Herald TranscriptMar 6 2020, 2:05 PM
Stashbot mentioned this in T219123: Migrate to and read from new store for item terms.Mar 18 2020, 3:16 AM

Mentioned in SAL (#wikimedia-releng) [2020-03-18T03:16:34Z] <Amir1> dropping wb_terms table from wikidatawiki in beta cluster (T219123 T219175 T208425)

Ladsgroup moved this task from Stalled/Waiting to Done on the Wikidata-Campsite (Wikidata-Campsite-Iteration-∞ (On Hold)) board.Mar 18 2020, 10:59 AM

This is done.

• Marostegui awarded a token.Mar 18 2020, 11:04 AM
Addshore closed this task as Resolved.Mar 23 2020, 9:17 AM
Addshore closed subtask T219123: Migrate to and read from new store for item terms as Resolved.
LemuelCushing subscribed.May 17 2020, 11:56 AM
LemuelCushing unsubscribed.
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