[tor-relays] Re: CollecTor has been rewritten in Rust and is now live

["Silvia Puglisi [Hiro] via tor-relays" <tor-relays@xxxxxxxxxxxxxxxxxxxx>]

On 3/4/26 16:11, Silvia Puglisi [Hiro] via tor-relays wrote:
> Hi everyone,
>
> We've rewritten CollecTor from the ground up in Rust, replacing the 
> legacy Java service that has been increasingly unstable over the past 
> months. The new service, collector-rs, was deployed yesterday and is 
> now live.
>
> You can find the source at: 
> https://gitlab.torproject.org/tpo/network-health/metrics/collector-rs
>
> Shoutout to Juga who has been the main developer behind the redesigned 
> service.
>
> A couple of things to be aware of:
>
> - Data continues to be available in the usual folders, so existing 
> workflows should not be affected.
> - You may notice some folders are temporarily duplicated as part of 
> the transition. This is cosmetic and the underlying data is consistent.
> - The instability of the old CollecTor may have affected services that 
> depend on it as an upstream data source, including Onionoo, Tor 
> Weather, the metrics website, and any community-run services or apps 
> that consume CollecTor data. The new deployment should resolve these 
> issues going forward.
>
> If you run into any issues or notice anything unexpected, please don't 
> hesitate to reach out or open an issue on the GitLab repo.
>
> Cheers,
> hiro
Subject: Migration Update – Temporary Service Disruptions

Hi again,

We are now two weeks into the migration, and things have been a bit 
bumpy for the downstream services from collector. As a result, 
onionoo.torproject.org has sometimes returned outdated data or statuses 
with missing information.

I expect these issues to stabilize within this week, and things should 
be back to normal from next week onward. Once things are stable again, 
we will overwrite the first_seen field for those relays/bridges that had 
it reset.

Please do get in touch if you notice any issues, and thanks for being 
part of the Tor community.

Cheers,
-hiro


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