Re: June 3rd maintenance of CI servers

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The attempt to upgrade and switch Jenkins ran into some issues last time.

Meanwhile these have been fixed. Therefore we have another window now.

Tomorrow, July 7th 2026, 15:30=E2=80=9316:30 UTC, CI / jenkins may not be w=
orking.

https://wikitech.wikimedia.org/wiki/Deployments#Tuesday,_July_7

An outcome of this will also be that we will upgrade from Java 17 to Java
21 and Jenkins will be running
on a dedicated host on a stable and supported distro version.

We apologize for the inconvenience.



On Wed, May 27, 2026 at 3:48=E2=80=AFPM Daniel Zahn <[email protected]> w=
rote:

> Hello developers,
>
> in a week, on June 3rd 2026, between 15:00 and 16:00 UTC (8am - 9am PST)
> we are going to perform maintenance on our Continuous Integration servers=
.
>
> We are switching Jenkins CI to a new host and will upgrade Java on
> integration nodes.
>
> While we are trying to keep the period as short as possible please expect
> some
> downtime to CI and getting patches verified.
>
> The maintenance has been added to the deployment calendar.
>
> Best,
>
> SRE collaboration services & Release Engineering teams
>
> --
> Daniel Zahn <[email protected]>
> Site Reliability Engineer
>


--=20
Daniel Zahn <[email protected]>
Site Reliability Engineer

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<div dir=3D"ltr"><div>The attempt to upgrade and switch Jenkins ran into so=
me issues last time.</div><div><br></div><div>Meanwhile these have been fix=
ed. Therefore we have another window now.</div><div><br></div><div>Tomorrow=
, July 7th 2026,=C2=A0<span class=3D"gmail-deploycal-time-utc">15:30=E2=80=
=9316:30=C2=A0UTC, CI / jenkins may not be working.</span></div><div><span =
class=3D"gmail-deploycal-time-utc"><br></span></div><div><a href=3D"https:/=
/wikitech.wikimedia.org/wiki/Deployments#Tuesday,_July_7">https://wikitech.=
wikimedia.org/wiki/Deployments#Tuesday,_July_7</a></div><div><br></div><div=
>An outcome of this will also be that we will upgrade from Java 17 to Java =
21 and Jenkins will be running</div><div>on a dedicated host on a stable an=
d supported distro version.</div><div><br></div><div>We apologize for the i=
nconvenience.=C2=A0</div><div><br></div><div><br></div></div><br><div class=
=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr=
">On Wed, May 27, 2026 at 3:48=E2=80=AFPM Daniel Zahn &lt;<a href=3D"mailto=
:[email protected]">[email protected]</a>&gt; wrote:<br></div><blockquo=
te class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px =
solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div>Hello develo=
pers,</div><div><br></div><div>in a week, on June 3rd 2026, between 15:00 a=
nd 16:00 UTC (8am - 9am PST)</div><div>we are going to perform maintenance =
on our=C2=A0Continuous Integration servers.</div><div><br></div><div>We are=
 switching Jenkins CI to a new host and will upgrade Java on integration no=
des.</div><div><br></div><div>While we are trying to keep the period as sho=
rt as possible please expect some</div><div>downtime to CI and getting patc=
hes verified.</div><div><br></div><div>The maintenance has been added to th=
e deployment calendar.</div><div><span class=3D"gmail_signature_prefix"><br=
></span></div><div><span class=3D"gmail_signature_prefix">Best,</span></div=
><div><span class=3D"gmail_signature_prefix"><br></span></div><div><span cl=
ass=3D"gmail_signature_prefix">SRE collaboration services &amp; Release Eng=
ineering teams</span></div><div><span class=3D"gmail_signature_prefix"><br>=
</span></div><div><span class=3D"gmail_signature_prefix">-- </span><br></di=
v><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"ltr"><div>Daniel Z=
ahn &lt;<a href=3D"mailto:[email protected]" target=3D"_blank">dzahn@wiki=
media.org</a>&gt;<br></div><div>Site Reliability Engineer</div></div></div>=
</div>
</blockquote></div><div><br clear=3D"all"></div><br><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr"><div>Daniel Zahn &lt;<a href=3D"mailto:[email protected]" =
target=3D"_blank">[email protected]</a>&gt;<br></div><div>Site Reliabilit=
y Engineer</div></div></div>

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