Release Engineering

Wikimedia infrastructure

Data centers

Networking

Global traffic routing

MediaWiki SRE

MediaWiki Engineering

Multimedia

Data Engineering

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SRE Data Persistence

SRE Infra Foundations

SRE Observability

Wikimedia Performance

Event Platform

Release Engineering

• Fresnel
• Jenkins
• Phabricator
• WikimediaDebug

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This page is simply a link dumping ground for Release Engineering related topics on wikitech.

See the main mw:Wikimedia Release Engineering Team on mw.org.

Runbooks

The main list and set of runbooks is maintained on MediaWiki.org, at Wikimedia Release Engineering Team/Runbooks.

There are also some secondary runbooks locally on wikitech:

• Fresnel
• Puppet patches
• WikimediaDebug

See also

• Release Engineering/SAL the RelEng SAL, use via !log message in #wikimedia-releng ^connect
• Nova Resource:Deployment-prep/SAL, the SAL for the deployment-prep Labs project, use via !log deployment-prep message in #wikimedia-cloud ^connect (but note that the RelEng SAL seems to be generally preferred)
• How to deploy code
• Heterogeneous deployment
  • Heterogeneous deployment/Train deploys
• Wikimedia binaries
• Deployment-prep project (beta)
  • How code is updated in beta