Generic tag for tasks about SQL queries that are slower than needed, specific to WMF-deployed MediaWiki code.

This tag is not actively monitored or triaged, and not consistently applied. Use at your own discretion.

To seek help from SRE Data Persistence at WMF, for how to improve schemas or query plans, make sure to tag DBA.

To seek help from Performance Team at WMF, to evaluate the approach more widely, make sure to tag Performance-Team.

To tag mariadb-optimizer issues, refer to mariadb-optimizer-bug.