```lang=json
"templatelinks tl_namespace index-uniqueness-mismatch": {
"s8": [
"db1109.eqiad.wmnet",
"db1104.eqiad.wmnet",
"db1101.eqiad.wmnet",
"db1111.eqiad.wmnet",
"db1087.eqiad.wmnet",
"db1126.eqiad.wmnet",
"db1099.eqiad.wmnet"
]
},
```
It should not be unique: https://gerrit.wikimedia.org/g/mediawiki/core/+/7c077ba897075b1a79fab79266131757eeedd04e/maintenance/tables.sql#786
Progress:
[x] Codfw (to be done with replication)
Eqiad:
[x] labsdb1012
[x] labsdb1011
[x] labsdb1010
[x] labsdb1009
[x] dbstore1005
[x] db1126
[x] db1124
[x] db1116
[x] db1111
[x] db1109
[x] db1104
[x] db1101
[x] db1099
[x] db1092
[x] db1114
[x] db1087
To run:
```
alter table templatelinks drop index if exists tl_namespace, add index if not exists tl_namespace (tl_namespace,tl_title,tl_from);
```