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Maniphest T250066

text table still has old_* fields and indexes on some hosts
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Description

I found these drifts:

"text old_comment field-mismatch-prod-extra": {
    "s2": [
        "db1122.eqiad.wmnet",
        "db1129.eqiad.wmnet",
        "db1105.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1076.eqiad.wmnet",
        "db1103.eqiad.wmnet",
        "db1074.eqiad.wmnet"
    ],
    "s3": [
        "db1123.eqiad.wmnet",
        "db1075.eqiad.wmnet",
        "db1112.eqiad.wmnet",
        "db1078.eqiad.wmnet"
    ],
    "s5": [
        "db1100.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1110.eqiad.wmnet",
        "db1082.eqiad.wmnet",
        "db1097.eqiad.wmnet",
        "db1130.eqiad.wmnet"
    ],
    "s6": [
        "db1131.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1088.eqiad.wmnet",
        "db1098.eqiad.wmnet",
        "db1085.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1093.eqiad.wmnet"
    ],
    "s7": [
        "db1086.eqiad.wmnet",
        "db1136.eqiad.wmnet",
        "db1101.eqiad.wmnet",
        "db1079.eqiad.wmnet",
        "db1094.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1098.eqiad.wmnet"
    ]
},
"text old_minor_edit field-mismatch-prod-extra": {
    "s2": [
        "db1122.eqiad.wmnet",
        "db1129.eqiad.wmnet",
        "db1105.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1076.eqiad.wmnet",
        "db1103.eqiad.wmnet",
        "db1074.eqiad.wmnet"
    ],
    "s3": [
        "db1123.eqiad.wmnet",
        "db1075.eqiad.wmnet",
        "db1112.eqiad.wmnet",
        "db1078.eqiad.wmnet"
    ],
    "s5": [
        "db1100.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1110.eqiad.wmnet",
        "db1082.eqiad.wmnet",
        "db1097.eqiad.wmnet",
        "db1130.eqiad.wmnet"
    ],
    "s6": [
        "db1131.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1088.eqiad.wmnet",
        "db1098.eqiad.wmnet",
        "db1085.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1093.eqiad.wmnet"
    ],
    "s7": [
        "db1086.eqiad.wmnet",
        "db1136.eqiad.wmnet",
        "db1101.eqiad.wmnet",
        "db1079.eqiad.wmnet",
        "db1094.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1098.eqiad.wmnet"
    ]
},
"text old_namespace field-mismatch-prod-extra": {
    "s2": [
        "db1122.eqiad.wmnet",
        "db1129.eqiad.wmnet",
        "db1105.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1076.eqiad.wmnet",
        "db1103.eqiad.wmnet",
        "db1074.eqiad.wmnet"
    ],
    "s3": [
        "db1123.eqiad.wmnet",
        "db1075.eqiad.wmnet",
        "db1112.eqiad.wmnet",
        "db1078.eqiad.wmnet"
    ],
    "s5": [
        "db1100.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1110.eqiad.wmnet",
        "db1082.eqiad.wmnet",
        "db1097.eqiad.wmnet",
        "db1130.eqiad.wmnet"
    ],
    "s6": [
        "db1131.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1088.eqiad.wmnet",
        "db1098.eqiad.wmnet",
        "db1085.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1093.eqiad.wmnet"
    ],
    "s7": [
        "db1086.eqiad.wmnet",
        "db1136.eqiad.wmnet",
        "db1101.eqiad.wmnet",
        "db1079.eqiad.wmnet",
        "db1094.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1098.eqiad.wmnet"
    ]
},
"text old_timestamp field-mismatch-prod-extra": {
    "s2": [
        "db1122.eqiad.wmnet",
        "db1129.eqiad.wmnet",
        "db1105.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1076.eqiad.wmnet",
        "db1103.eqiad.wmnet",
        "db1074.eqiad.wmnet"
    ],
    "s3": [
        "db1123.eqiad.wmnet",
        "db1075.eqiad.wmnet",
        "db1112.eqiad.wmnet",
        "db1078.eqiad.wmnet"
    ],
    "s5": [
        "db1100.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1110.eqiad.wmnet",
        "db1082.eqiad.wmnet",
        "db1097.eqiad.wmnet",
        "db1130.eqiad.wmnet"
    ],
    "s6": [
        "db1131.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1088.eqiad.wmnet",
        "db1098.eqiad.wmnet",
        "db1085.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1093.eqiad.wmnet"
    ],
    "s7": [
        "db1086.eqiad.wmnet",
        "db1136.eqiad.wmnet",
        "db1101.eqiad.wmnet",
        "db1079.eqiad.wmnet",
        "db1094.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1098.eqiad.wmnet"
    ]
},
"text old_timestamp index-mismatch-prod-extra": {
    "s2": [
        "db1122.eqiad.wmnet",
        "db1129.eqiad.wmnet",
        "db1105.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1076.eqiad.wmnet",
        "db1103.eqiad.wmnet",
        "db1074.eqiad.wmnet"
    ]
},
"text old_title field-mismatch-prod-extra": {
    "s2": [
        "db1122.eqiad.wmnet",
        "db1129.eqiad.wmnet",
        "db1105.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1076.eqiad.wmnet",
        "db1103.eqiad.wmnet",
        "db1074.eqiad.wmnet"
    ],
    "s3": [
        "db1123.eqiad.wmnet",
        "db1075.eqiad.wmnet",
        "db1112.eqiad.wmnet",
        "db1078.eqiad.wmnet"
    ],
    "s5": [
        "db1100.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1110.eqiad.wmnet",
        "db1082.eqiad.wmnet",
        "db1097.eqiad.wmnet",
        "db1130.eqiad.wmnet"
    ],
    "s6": [
        "db1131.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1088.eqiad.wmnet",
        "db1098.eqiad.wmnet",
        "db1085.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1093.eqiad.wmnet"
    ],
    "s7": [
        "db1086.eqiad.wmnet",
        "db1136.eqiad.wmnet",
        "db1101.eqiad.wmnet",
        "db1079.eqiad.wmnet",
        "db1094.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1098.eqiad.wmnet"
    ]
},
"text old_title index-mismatch-prod-extra": {
    "s2": [
        "db1122.eqiad.wmnet",
        "db1129.eqiad.wmnet",
        "db1105.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1076.eqiad.wmnet",
        "db1103.eqiad.wmnet",
        "db1074.eqiad.wmnet"
    ],
    "s6": [
        "db1131.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1088.eqiad.wmnet",
        "db1098.eqiad.wmnet",
        "db1085.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1093.eqiad.wmnet"
    ]
},
"text old_user field-mismatch-prod-extra": {
    "s2": [
        "db1122.eqiad.wmnet",
        "db1129.eqiad.wmnet",
        "db1105.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1076.eqiad.wmnet",
        "db1103.eqiad.wmnet",
        "db1074.eqiad.wmnet"
    ],
    "s3": [
        "db1123.eqiad.wmnet",
        "db1075.eqiad.wmnet",
        "db1112.eqiad.wmnet",
        "db1078.eqiad.wmnet"
    ],
    "s5": [
        "db1100.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1110.eqiad.wmnet",
        "db1082.eqiad.wmnet",
        "db1097.eqiad.wmnet",
        "db1130.eqiad.wmnet"
    ],
    "s6": [
        "db1131.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1088.eqiad.wmnet",
        "db1098.eqiad.wmnet",
        "db1085.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1093.eqiad.wmnet"
    ],
    "s7": [
        "db1086.eqiad.wmnet",
        "db1136.eqiad.wmnet",
        "db1101.eqiad.wmnet",
        "db1079.eqiad.wmnet",
        "db1094.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1098.eqiad.wmnet"
    ]
},
"text old_user_text field-mismatch-prod-extra": {
    "s2": [
        "db1122.eqiad.wmnet",
        "db1129.eqiad.wmnet",
        "db1105.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1076.eqiad.wmnet",
        "db1103.eqiad.wmnet",
        "db1074.eqiad.wmnet"
    ],
    "s3": [
        "db1123.eqiad.wmnet",
        "db1075.eqiad.wmnet",
        "db1112.eqiad.wmnet",
        "db1078.eqiad.wmnet"
    ],
    "s5": [
        "db1100.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1110.eqiad.wmnet",
        "db1082.eqiad.wmnet",
        "db1097.eqiad.wmnet",
        "db1130.eqiad.wmnet"
    ],
    "s6": [
        "db1131.eqiad.wmnet",
        "db1113.eqiad.wmnet",
        "db1088.eqiad.wmnet",
        "db1098.eqiad.wmnet",
        "db1085.eqiad.wmnet",
        "db1096.eqiad.wmnet",
        "db1093.eqiad.wmnet"
    ],
    "s7": [
        "db1086.eqiad.wmnet",
        "db1136.eqiad.wmnet",
        "db1101.eqiad.wmnet",
        "db1079.eqiad.wmnet",
        "db1094.eqiad.wmnet",
        "db1090.eqiad.wmnet",
        "db1098.eqiad.wmnet"
    ]
},

If I remember correctly, text table was split from revision table long time ago and that's why these extra fields still exist. (Double check please)

ALTER table required: alter table text drop column if exists old_namespace, drop column if exists old_title, drop column if exists old_comment, drop column if exists old_user, drop column if exists old_user_text, drop column if exists old_timestamp, drop column if exists old_minor_edit, drop column if exists inverse_timestamp, drop key if exists old_title;

Schema change progress:

  • labswiki (doesn't have the fields)
  • labtestwiki (doesn't have the fields)

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StatusSubtypeAssignedTask
· · ·
ResolvedLadsgroupT104459 Detect object, schema and data drifts between mediawiki HEAD, production masters and replicas
Resolved• MarosteguiT250066 text table still has old_* fields and indexes on some hosts
· · ·

Event Timeline

Ladsgroup created this task.Apr 13 2020, 11:20 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptApr 13 2020, 11:20 AM
Ladsgroup mentioned this in T104459: Detect object, schema and data drifts between mediawiki HEAD, production masters and replicas.Apr 13 2020, 12:39 PM
• Marostegui added a project: Platform Engineering.Apr 13 2020, 1:26 PM

Can someone from Platform Engineering confirm Amir's guess?

• Marostegui triaged this task as Medium priority.Apr 13 2020, 1:26 PM
• Marostegui moved this task from Triage to Backlog on the DBA board.
• Pchelolo moved this task from Inbox to Triage Meeting Inbox on the Platform Engineering board.Apr 13 2020, 1:43 PM
daniel added subscribers: tstarling, daniel.Apr 14 2020, 7:57 PM

Afaik Amir is correct. pinging @tstarling to confirm.

I'd be very surprised if anything still used these fields. But I have had such surprises before :P

daniel moved this task from Triage Meeting Inbox to Tracking/Watching on the Platform Engineering board.Apr 14 2020, 8:25 PM
• Marostegui added a parent task: T104459: Detect object, schema and data drifts between mediawiki HEAD, production masters and replicas.May 4 2020, 7:07 AM
• Marostegui added a comment.May 7 2020, 12:01 PM

@Ladsgroup did you get any response?

Ladsgroup added a comment.May 7 2020, 3:32 PM
In T250066#6115758, @Marostegui wrote:

@Ladsgroup did you get any response?

I didn't get anything. Maybe pinging again?

daniel added a comment.May 7 2020, 3:35 PM
In T250066#6116341, @Ladsgroup wrote:
In T250066#6115758, @Marostegui wrote:

@Ladsgroup did you get any response?

I didn't get anything. Maybe pinging again?

I pinged Tim on Slack, I hope he'll take a look when he starts his day.

tstarling added a comment.May 7 2020, 11:14 PM

I don't know what those fields are doing there.

MariaDB [frwiki]> show create table text\G
*************************** 1. row ***************************
CREATE TABLE `text` (
  `old_id` int(8) unsigned NOT NULL AUTO_INCREMENT,
  `old_namespace` varbinary(0) NOT NULL DEFAULT '',
  `old_title` varbinary(255) NOT NULL DEFAULT '',
  `old_text` mediumblob NOT NULL,
  `old_comment` varbinary(0) NOT NULL DEFAULT '',
  `old_user` varbinary(0) NOT NULL DEFAULT '',
  `old_user_text` varbinary(0) NOT NULL DEFAULT '',
  `old_timestamp` varbinary(0) NOT NULL DEFAULT '',
  `old_minor_edit` varbinary(0) NOT NULL DEFAULT '',
  `old_flags` varbinary(255) NOT NULL DEFAULT '',
  `inverse_timestamp` varbinary(0) NOT NULL DEFAULT '',
  PRIMARY KEY (`old_id`),
  KEY `old_title` (`old_title`)
) ENGINE=InnoDB AUTO_INCREMENT=171170754 DEFAULT CHARSET=binary PACK_KEYS=1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=8

You see that everything is varbinary(0), even fields which were originally integers. This is not just fields left over from MW 1.4, this table has either been altered to change the types, or the fields were dropped and then later re-added to fix something that uses them. Maybe searching the Server Admin Log will provide an explanation.

Nothing in MW core uses them. I don't know if a tool uses them. You could just drop them and see what happens.

• Marostegui updated the task description. (Show Details)Jun 11 2020, 11:31 AM
• Marostegui claimed this task.Jun 11 2020, 11:34 AM

I have checked one of the newest wikis created (T250706) and this is how the table looks like there:

*************************** 1. row ***************************
       Table: text
Create Table: CREATE TABLE `text` (
  `old_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `old_text` mediumblob NOT NULL,
  `old_flags` tinyblob NOT NULL,
  PRIMARY KEY (`old_id`)
) ENGINE=InnoDB AUTO_INCREMENT=10862 DEFAULT CHARSET=binary

I have compared that with the table on frwiki and the alter needed would look like:

alter table text drop column if exists old_namespace, drop column if exists old_title, drop column if exists old_comment, drop column if exists old_user, drop column if exists old_user_text, drop column if exists old_timestamp, drop column if exists old_minor_edit, drop column if exists inverse_timestamp, drop key if exists old_title;

I am going to alter an s6 host in codfw first, and leave it like that for a few days, after that, I will alter an eqiad one, leave it there and if nothing breaks, I will go ahead and alter it everywhere.

• Marostegui updated the task description. (Show Details)Jun 11 2020, 11:40 AM
Stashbot added a comment.Jun 11 2020, 11:46 AM

Mentioned in SAL (#wikimedia-operations) [2020-06-11T11:46:23Z] <marostegui> Deploy schema change on s6 codfw - T250066

• Marostegui updated the task description. (Show Details)Jun 11 2020, 11:48 AM
• Marostegui moved this task from Backlog to In progress on the DBA board.
• Marostegui added a comment.Jun 11 2020, 1:11 PM

This is how db2087:3316 (s6) looks like now:

for i in frwiki jawiki ruwiki; do echo $i; mysql.py -hdb2087:3316 $i -e "show create table text\G" ; done
frwiki
*************************** 1. row ***************************
       Table: text
Create Table: CREATE TABLE `text` (
  `old_id` int(8) unsigned NOT NULL AUTO_INCREMENT,
  `old_text` mediumblob NOT NULL,
  `old_flags` varbinary(255) NOT NULL DEFAULT '',
  PRIMARY KEY (`old_id`)
) ENGINE=InnoDB AUTO_INCREMENT=172506449 DEFAULT CHARSET=binary PACK_KEYS=1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=8
jawiki
*************************** 1. row ***************************
       Table: text
Create Table: CREATE TABLE `text` (
  `old_id` int(8) unsigned NOT NULL AUTO_INCREMENT,
  `old_text` mediumblob NOT NULL,
  `old_flags` varbinary(255) NOT NULL DEFAULT '',
  PRIMARY KEY (`old_id`)
) ENGINE=InnoDB AUTO_INCREMENT=78308284 DEFAULT CHARSET=binary PACK_KEYS=1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=8
ruwiki
*************************** 1. row ***************************
       Table: text
Create Table: CREATE TABLE `text` (
  `old_id` int(8) unsigned NOT NULL AUTO_INCREMENT,
  `old_text` mediumblob NOT NULL,
  `old_flags` varbinary(255) NOT NULL DEFAULT '',
  PRIMARY KEY (`old_id`)
) ENGINE=InnoDB AUTO_INCREMENT=109096466 DEFAULT CHARSET=binary PACK_KEYS=1 ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=8

Which now looks like enwiki slaves (apart from the data type difference on old_flags, which should be tinyblob , but I won't tackle this on this task as that operation isn't online so it would require a master swap everywhere):

 mysql.py -hdb1089 enwiki -e "show create table text\G"
*************************** 1. row ***************************
       Table: text
Create Table: CREATE TABLE `text` (
  `old_id` int(8) unsigned NOT NULL AUTO_INCREMENT,
  `old_text` mediumblob NOT NULL,
  `old_flags` tinyblob NOT NULL,
  PRIMARY KEY (`old_id`)
) ENGINE=InnoDB AUTO_INCREMENT=973935578 DEFAULT CHARSET=binary PACK_KEYS=1
Ladsgroup mentioned this in T250063: inverse_timestamp column exists in text table, it shouldn't.Jun 11 2020, 11:07 PM
Stashbot added a comment.Jun 12 2020, 4:54 AM

Mentioned in SAL (#wikimedia-operations) [2020-06-12T04:54:28Z] <marostegui> Deploy schema change on s6 codfw - T250066

• Marostegui updated the task description. (Show Details)Jun 12 2020, 7:14 AM
• Marostegui added a comment.EditedJun 12 2020, 8:15 AM

s6 eqiad progress

  • dbstore1005
  • db1140
  • db1139
  • db1131
  • db1113
  • db1098
  • db1096
  • db1093
  • db1088
  • db1085
daniel removed a subscriber: daniel.Jun 12 2020, 11:11 AM
Stashbot added a comment.Jun 15 2020, 8:17 AM

Mentioned in SAL (#wikimedia-operations) [2020-06-15T08:17:15Z] <marostegui> Deploy schema change on db1131 (s6 master) - T250066

• Marostegui updated the task description. (Show Details)Jun 15 2020, 8:49 AM
• Marostegui updated the task description. (Show Details)
Stashbot added a comment.Jun 15 2020, 8:55 AM

Mentioned in SAL (#wikimedia-operations) [2020-06-15T08:55:12Z] <marostegui> Deploy schema change on db2123 (s5 codfw master) - T250066

• Marostegui updated the task description. (Show Details)Jun 15 2020, 9:18 AM
• Marostegui added a comment.EditedJun 15 2020, 9:32 AM

s5 eqiad progress

  • dbstore1003
  • db1130
  • db1113
  • db1110
  • db1102
  • db1100
  • db1096
  • db1082
• Marostegui updated the task description. (Show Details)Jun 15 2020, 9:33 AM
Stashbot added a comment.Jun 15 2020, 1:54 PM

Mentioned in SAL (#wikimedia-operations) [2020-06-15T13:54:39Z] <marostegui> Deploy schema change on db1100 (s5 master) - T250066

• Marostegui updated the task description. (Show Details)Jun 15 2020, 2:19 PM
Stashbot added a comment.Jun 15 2020, 2:24 PM

Mentioned in SAL (#wikimedia-operations) [2020-06-15T14:24:23Z] <marostegui> Deploy schema change on db2107 (s2 codfw master) - T250066

• Marostegui updated the task description. (Show Details)Jun 15 2020, 3:46 PM
• Marostegui added a comment.EditedJun 15 2020, 4:32 PM

s2 eqiad progress

  • dbstore1004
  • db1146
  • db1129
  • db1122
  • db1105
  • db1095
  • db1090
  • db1076
  • db1074
Stashbot added a comment.Jun 17 2020, 5:29 AM

Mentioned in SAL (#wikimedia-operations) [2020-06-17T05:29:14Z] <marostegui> Deploy schema change on s7 codfw (lag will appear) - T250066

• Marostegui updated the task description. (Show Details)Jun 17 2020, 8:03 AM
• Marostegui updated the task description. (Show Details)Jun 17 2020, 9:52 AM
• Marostegui added a comment.EditedJun 17 2020, 10:58 AM

s7 eqiad progress

  • dbstore1003
  • db1136
  • db1127
  • db1116
  • db1101
  • db1098
  • db1094
  • db1090
  • db1086
  • db1079
• Marostegui updated the task description. (Show Details)Jun 18 2020, 9:30 AM
Stashbot added a comment.Jun 18 2020, 9:34 AM

Mentioned in SAL (#wikimedia-operations) [2020-06-18T09:34:28Z] <marostegui> Deploy schema change on s3 codfw master (this will create lag on codfw) - T250066

• Marostegui updated the task description. (Show Details)Jun 18 2020, 10:51 AM
• Marostegui added a comment.EditedJun 18 2020, 11:49 AM

s3 eqiad progress

  • dbstore1004
  • db1123
  • db1112
  • db1095
  • db1078
  • db1075
• Marostegui added a comment.Jun 19 2020, 5:56 AM

Only s3 master pending, I will do it on Monday as for s3 master, any schema change even if it is a small one generates quite lots of IO (as it has 900 wikis) so it needs a generous sleep between ALTERs.
On Monday I will start it with 2 minutes between wikis, so it will take around 30h, and I don't want to leave that running over the weekend.

Stashbot added a comment.Jun 22 2020, 4:50 AM

Mentioned in SAL (#wikimedia-operations) [2020-06-22T04:50:22Z] <marostegui> Deploy schema change on s3 primary master with a big sleep between wikis - T250066

• Marostegui closed this task as Resolved.Jun 23 2020, 11:47 AM
• Marostegui updated the task description. (Show Details)
• Marostegui updated the task description. (Show Details)

All done

Ladsgroup mentioned this in T256679: text table in db1144 drifts from core considerably.Jun 29 2020, 7:21 PM
Ladsgroup mentioned this in T312538: Collect list of tickets done for fixing core drifts .Jul 7 2022, 12:59 PM
Maintenance_bot moved this task from In progress to Done on the DBA board.Jul 7 2022, 1:30 PM
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