Hello, small reminder: we'll start in a few minutes
Thank you for your understanding On Mon, Sep 29, 2025 at 3:48 PM Arnaud Bran <ab...@wikimedia.org> wrote: > 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 -- wikitech-l@lists.wikimedia.org To unsubscribe send an email to wikitech-l-le...@lists.wikimedia.org https://lists.wikimedia.org/postorius/lists/wikitech-l.lists.wikimedia.org/
