dbtree.wikimedia.org

dbtree.wikimedia.org provides a visualisation of master-slave relationships inside each of the MediaWiki database clusters. Originally written by Asher Feldman.

Service

• Currently runs from mw1152 (check for the role role::noc::site in site.pp).
• Source code: operations/software/dbtree.git
• Uses data from Tendril.
• Configured in puppet:/modules/noc/manifests/init.pp.

Deploy

To deploy a new version, once merged into the repository, ssh into the host where it runs, with the user mwdeploy go to /srv/dbtree and do a git fetch and git rebase.

See also

• tendril.wikimedia.org, a tool for analyzing slow query logs