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Reduce kartotherian empty group logspam caused by Wikivoyage
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Description

On Wikivoyage wikis it's common to configure mapframes using templates or modules so that they try to display all commonly used groups even if they are empty. This behavior leads to the vast majority of logspam in the kartotherian logs when the requested groups are empty.

Received failed group: Error: Received empty response for group "Ausgehen"

Note, that the Received empty response for group error originates from the mapdata lib and is forwarded to kartotherian where it's logged. Let's not trigger/log these warnings, when the group is named. The cases relevant to us are these where the group id is a hash.

See also https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Kartographer/+/834353/

Event Timeline

Change 905639 had a related patch set uploaded (by WMDE-Fisch; author: WMDE-Fisch):

[mapdata@master] Reduce logspam for empty groups

https://gerrit.wikimedia.org/r/905639

Change 910422 had a related patch set uploaded (by Thiemo Kreuz (WMDE); author: Thiemo Kreuz (WMDE)):

[mediawiki/extensions/Kartographer@master] [POC] Reduce logspam for empty groups

https://gerrit.wikimedia.org/r/910422

Change 910423 had a related patch set uploaded (by Thiemo Kreuz (WMDE); author: Thiemo Kreuz (WMDE)):

[mapdata@master] Properly track the names of empty/failed groups

https://gerrit.wikimedia.org/r/910423

Change 910424 had a related patch set uploaded (by Thiemo Kreuz (WMDE); author: Thiemo Kreuz (WMDE)):

[mediawiki/services/kartotherian@master] Reduce logspam for empty groups

https://gerrit.wikimedia.org/r/910424

Change 910423 merged by jenkins-bot:

[mapdata@master] Properly track the names of empty/failed groups

https://gerrit.wikimedia.org/r/910423

Change 905639 abandoned by WMDE-Fisch:

[mapdata@master] Reduce logspam for empty groups

Reason:

Better approach in Id42c2b2bb2864f44ca046c55b67df37a2255fbee

https://gerrit.wikimedia.org/r/905639

Change 910422 merged by jenkins-bot:

[mediawiki/extensions/Kartographer@master] Reduce logspam for empty groups

https://gerrit.wikimedia.org/r/910422

Change 910424 merged by jenkins-bot:

[mediawiki/services/kartotherian@master] Reduce logspam for empty groups

https://gerrit.wikimedia.org/r/910424

Mentioned in SAL (#wikimedia-operations) [2023-08-01T17:09:44Z] <mbsantos@deploy1002> Finished deploy [kartotherian/deploy@ee544cb]: Update kartotherian to e28ea7ef (T334668 T332985 T332664 T329924) (duration: 04m 25s)

Thanks for the deployment. ~50% less log spam \o/