Brian
On Tuesday, May 16, 2023, Daniel Zahn <
dzahn@wikimedia.org> wrote:
> This means codesearch will be affected (and won't get updated) and possibly even will be down during that time.
We, at least in my team, would like to switch codesearch (and other
clients) back to just use gerrit.wikimedia.org and not the replica
directly.
Just today we agreed to make a new ticket for specifically this,
because soon we have to reimage the replica to bullseye and add more
downtime.
The reason we did the split in the past was to reduce load on the main
gerrit server but meanwhile first the issue has been fixed in newer
Gerrit
versions and then also just a few days ago we switched to brand new hardware.
So now if anything it should be beefier than before and even without
that it seemed already a thing of the past.
And we pay for this with this issue that the replica becomes a second
production system, with the need for downtimes. It complicates
fail-over scenarios
too and in a way means there is never a passive host when we do DC switch-over.
So yea, I suggest we change the config of codesearch now to use the
main gerrit unless you have concerns about that.
On Mon, May 15, 2023 at 1:18 PM Amir Sarabadani <ladsgroup@gmail.com> wrote:
>
> This means codesearch will be affected (and won't get updated) and possibly even will be down during that time.
>
> Best
>
> Am Mo., 15. Mai 2023 um 22:03 Uhr schrieb Tyler Cipriani <tcipriani@wikimedia.org>:
>>
>> Hello
>>
>> The read-only Gerrit replica[0] will be down for 30 minutes tomorrow (Tue, 16 May 2023) between 13:00–15:00 UTC[1] due to network switch upgrades in codfw row D[2].
>>
>> During this window, git reads from the replica will not work.
>>
>> To my knowledge, this affects bots which rely on the replica for git read operations.
>>
>> Apologies for any inconvenience.
>>
>> Tyler Cipriani (he/him)
>> Engineering Manager, Release Engineering
>> Wikimedia Foundation
>>
>> [0]: <https://wikitech.wikimedia.org/wiki/Gerrit/Replica>
>> [1]: <https://zonestamp.toolforge.org/1684242019>
>> [2]: <https://phabricator.wikimedia.org/T335042>
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>
>
> --
> Amir (he/him)
>
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--
Daniel Zahn <dzahn@wikimedia.org>
Site Reliability Engineer
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