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Schema-change-in-productionTag
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Description

This is to track schema changes operation work in Wikimedia production. See also Schema-change for proposed schema changes in MediaWiki software.

Workboard: https://phabricator.wikimedia.org/project/board/1060/?filter=oIMnKhOjALmY

More info: https://wikitech.wikimedia.org/wiki/Schema_changes and https://www.mediawiki.org/wiki/Development_policy

Recent Activity
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Today

Marostegui added a comment to T412943: Drop the cupe_private column from the cu_private_event table on WMF wikis.

@FCeratto-WMF to be started when we are back from the break.

Thu, Dec 18, 5:38 AM · Data-Engineering, DBA, Schema-change-in-production
Marostegui updated the task description for T411164: Drop rev_sha1 from revision table in wmf production.
Thu, Dec 18, 5:31 AM · Data-Engineering, Schema-change-in-production, DBA
Marostegui updated the task description for T411163: Drop ar_sha1 from archive table in wmf production.
Thu, Dec 18, 5:31 AM · Data-Engineering, Schema-change-in-production, DBA

Yesterday

Marostegui assigned T412943: Drop the cupe_private column from the cu_private_event table on WMF wikis to FCeratto-WMF.
Wed, Dec 17, 8:16 PM · Data-Engineering, DBA, Schema-change-in-production
Dreamy_Jazz updated the task description for T412943: Drop the cupe_private column from the cu_private_event table on WMF wikis.
Wed, Dec 17, 1:27 PM · Data-Engineering, DBA, Schema-change-in-production
Dreamy_Jazz created T412943: Drop the cupe_private column from the cu_private_event table on WMF wikis.
Wed, Dec 17, 1:25 PM · Data-Engineering, DBA, Schema-change-in-production
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T12:15:56Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2222 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86724 and previous config saved to /var/cache/conftool/dbconfig/20251217-121556-marostegui.json

Wed, Dec 17, 12:16 PM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T12:15:56Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2222 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86724 and previous config saved to /var/cache/conftool/dbconfig/20251217-121556-marostegui.json

Wed, Dec 17, 12:16 PM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T11:30:32Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2222 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86721 and previous config saved to /var/cache/conftool/dbconfig/20251217-113031-marostegui.json

Wed, Dec 17, 11:30 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T11:30:32Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2222 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86721 and previous config saved to /var/cache/conftool/dbconfig/20251217-113031-marostegui.json

Wed, Dec 17, 11:30 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T11:28:19Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db2222 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86720 and previous config saved to /var/cache/conftool/dbconfig/20251217-112818-marostegui.json

Wed, Dec 17, 11:28 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T11:28:19Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db2222 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86720 and previous config saved to /var/cache/conftool/dbconfig/20251217-112818-marostegui.json

Wed, Dec 17, 11:28 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T11:28:06Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2221 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86719 and previous config saved to /var/cache/conftool/dbconfig/20251217-112805-marostegui.json

Wed, Dec 17, 11:28 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T11:28:06Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2221 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86719 and previous config saved to /var/cache/conftool/dbconfig/20251217-112805-marostegui.json

Wed, Dec 17, 11:28 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T10:42:41Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2221 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86716 and previous config saved to /var/cache/conftool/dbconfig/20251217-104240-marostegui.json

Wed, Dec 17, 10:42 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T10:42:41Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2221 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86716 and previous config saved to /var/cache/conftool/dbconfig/20251217-104240-marostegui.json

Wed, Dec 17, 10:42 AM · Data-Engineering, Schema-change-in-production, DBA
Marostegui updated the task description for T411164: Drop rev_sha1 from revision table in wmf production.
Wed, Dec 17, 6:54 AM · Data-Engineering, Schema-change-in-production, DBA
Marostegui updated the task description for T411163: Drop ar_sha1 from archive table in wmf production.
Wed, Dec 17, 6:54 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T06:07:07Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db2221 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86714 and previous config saved to /var/cache/conftool/dbconfig/20251217-060706-marostegui.json

Wed, Dec 17, 6:07 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T06:07:07Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db2221 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86714 and previous config saved to /var/cache/conftool/dbconfig/20251217-060706-marostegui.json

Wed, Dec 17, 6:07 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T06:06:42Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2220 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86713 and previous config saved to /var/cache/conftool/dbconfig/20251217-060641-marostegui.json

Wed, Dec 17, 6:06 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T06:06:42Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2220 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86713 and previous config saved to /var/cache/conftool/dbconfig/20251217-060641-marostegui.json

Wed, Dec 17, 6:06 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T05:21:17Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2220 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86710 and previous config saved to /var/cache/conftool/dbconfig/20251217-052117-marostegui.json

Wed, Dec 17, 5:21 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T05:21:17Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2220 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86710 and previous config saved to /var/cache/conftool/dbconfig/20251217-052117-marostegui.json

Wed, Dec 17, 5:21 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T05:15:10Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1253 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86709 and previous config saved to /var/cache/conftool/dbconfig/20251217-051509-marostegui.json

Wed, Dec 17, 5:15 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T05:15:10Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1253 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86709 and previous config saved to /var/cache/conftool/dbconfig/20251217-051509-marostegui.json

Wed, Dec 17, 5:15 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T04:29:45Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1253 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86706 and previous config saved to /var/cache/conftool/dbconfig/20251217-042943-marostegui.json

Wed, Dec 17, 4:29 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T04:29:45Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1253 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86706 and previous config saved to /var/cache/conftool/dbconfig/20251217-042943-marostegui.json

Wed, Dec 17, 4:29 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T04:27:33Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db1253 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86705 and previous config saved to /var/cache/conftool/dbconfig/20251217-042733-marostegui.json

Wed, Dec 17, 4:27 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T04:27:33Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db1253 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86705 and previous config saved to /var/cache/conftool/dbconfig/20251217-042733-marostegui.json

Wed, Dec 17, 4:27 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T04:27:09Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1231 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86704 and previous config saved to /var/cache/conftool/dbconfig/20251217-042708-marostegui.json

Wed, Dec 17, 4:27 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T04:27:09Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1231 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86704 and previous config saved to /var/cache/conftool/dbconfig/20251217-042708-marostegui.json

Wed, Dec 17, 4:27 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T03:41:44Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1231 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86701 and previous config saved to /var/cache/conftool/dbconfig/20251217-034143-marostegui.json

Wed, Dec 17, 3:41 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T03:41:44Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1231 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86701 and previous config saved to /var/cache/conftool/dbconfig/20251217-034143-marostegui.json

Wed, Dec 17, 3:41 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T02:41:28Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db1231 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86697 and previous config saved to /var/cache/conftool/dbconfig/20251217-024127-marostegui.json

Wed, Dec 17, 2:41 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T02:41:28Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db1231 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86697 and previous config saved to /var/cache/conftool/dbconfig/20251217-024127-marostegui.json

Wed, Dec 17, 2:41 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T02:41:03Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1227 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86696 and previous config saved to /var/cache/conftool/dbconfig/20251217-024103-marostegui.json

Wed, Dec 17, 2:41 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T02:41:03Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1227 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86696 and previous config saved to /var/cache/conftool/dbconfig/20251217-024103-marostegui.json

Wed, Dec 17, 2:41 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T01:55:38Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1227 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86691 and previous config saved to /var/cache/conftool/dbconfig/20251217-015538-marostegui.json

Wed, Dec 17, 1:55 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T01:55:38Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1227 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86691 and previous config saved to /var/cache/conftool/dbconfig/20251217-015538-marostegui.json

Wed, Dec 17, 1:55 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T00:47:01Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db2220 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86690 and previous config saved to /var/cache/conftool/dbconfig/20251217-004659-marostegui.json

Wed, Dec 17, 12:47 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T00:47:01Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db2220 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86690 and previous config saved to /var/cache/conftool/dbconfig/20251217-004659-marostegui.json

Wed, Dec 17, 12:47 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T00:46:35Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2208 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86689 and previous config saved to /var/cache/conftool/dbconfig/20251217-004634-marostegui.json

Wed, Dec 17, 12:46 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T00:46:35Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2208 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86689 and previous config saved to /var/cache/conftool/dbconfig/20251217-004634-marostegui.json

Wed, Dec 17, 12:46 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T00:01:10Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2208 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86686 and previous config saved to /var/cache/conftool/dbconfig/20251217-000109-marostegui.json

Wed, Dec 17, 12:01 AM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-17T00:01:10Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db2208 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86686 and previous config saved to /var/cache/conftool/dbconfig/20251217-000109-marostegui.json

Wed, Dec 17, 12:01 AM · Data-Engineering, Schema-change-in-production, DBA

Tue, Dec 16

Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-16T21:17:44Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db1227 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86684 and previous config saved to /var/cache/conftool/dbconfig/20251216-211743-marostegui.json

Tue, Dec 16, 9:17 PM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-16T21:17:44Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Depooling db1227 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86684 and previous config saved to /var/cache/conftool/dbconfig/20251216-211743-marostegui.json

Tue, Dec 16, 9:17 PM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411164: Drop rev_sha1 from revision table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-16T21:17:19Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1202 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86683 and previous config saved to /var/cache/conftool/dbconfig/20251216-211718-marostegui.json

Tue, Dec 16, 9:17 PM · Data-Engineering, Schema-change-in-production, DBA
Stashbot added a comment to T411163: Drop ar_sha1 from archive table in wmf production.

Mentioned in SAL (#wikimedia-operations) [2025-12-16T21:17:19Z] <marostegui@cumin1003> dbctl commit (dc=all): 'Repooling after maintenance db1202 (T411163 T411164)', diff saved to https://phabricator.wikimedia.org/P86683 and previous config saved to /var/cache/conftool/dbconfig/20251216-211718-marostegui.json

Tue, Dec 16, 9:17 PM · Data-Engineering, Schema-change-in-production, DBA
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