Hello, We will perform maintenance on Gerrit on *Monday, October 6*, from *12:00 to 13:00 UTC*. During this window, we expect a *~20 minutes* write outage while we switch over Gerrit's service from the current primary (gerrit1003) to the spare host (gerrit2003). Since last time, we've added a few guardrails:
- Local emergency backup on each instance. - All instances will be *read-only during the switchover *to protect data integrity. - Pre- and post-switch checks to verify everything is in the expected state. As before, we’ll perform the switchover *live with Release Engineering*. This operation will allow us to unblock a few things: - System daemon user: *gerrit2 → gerrit (*T338470 <https://phabricator.wikimedia.org/T338470>) - *OS upgrade* (T392464 <https://phabricator.wikimedia.org/T392464>, T384595 <https://phabricator.wikimedia.org/T384595>)*, Java* (T392465 <https://phabricator.wikimedia.org/T392465>) version update and *Gerrit * (T379714 <https://phabricator.wikimedia.org/T379714>, T392448 <https://phabricator.wikimedia.org/T392448>) version update *Expected impact* - A ~20 minutes *read-only* window; reads (browsing, cloning, reviewing) should remain fine. Pushes, votes, comments, etc. will be blocked during that period - We’ll post start/end updates during the window. *Links* - Documentation: https://wikitech.wikimedia.org/wiki/Gerrit/Operations#Switch_over - Phabricator: https://phabricator.wikimedia.org/T387833 - Deployment Calendar: https://wikitech.wikimedia.org/wiki/Deployments#deploycal-item-20251006T1200 Thank you for your understanding. -- *Arnaud Bran* (he/him) Senior Site Reliability Engineer Wikimedia Foundation <https://wikimediafoundation.org/>
_______________________________________________ Wikitech-l mailing list -- [email protected] To unsubscribe send an email to [email protected] https://lists.wikimedia.org/postorius/lists/wikitech-l.lists.wikimedia.org/
