[tor-relays] Tor Relay Stable Flag

[Keifer Bly]

Thank you. What exactly does the stable flag do? I know what it means, the relay has been online for the last few days without significant interruption, which is why I lost it as I had the stable flag, I had had it before my computer froze for about two hours and I did not realize that had happened until it’s too late. I’m just hoping that it does not take too terribly long for my relay to regain the stable flag, what’ strange though it my relay seems to receive quite a lot of traffic when I do not have the stable flag as well, according to the relay software receiving hundreds of megabytes at a time, I thought only stable relays received bigger amounts of traffic.


Thank you very much.

From: teor
Sent: Wednesday, April 11, 2018 3:34 PM
To: tor-relays at lists.torproject.org
Subject: Re: [tor-relays] Tor Relay Stable Flag



On 12 Apr 2018, at 01:33, Keifer Bly <keifer.bly at gmail.com> wrote:
Is there a way I can find out what the current weighted mbtf is? Thank you.

The thresholds vary on each directory authority. They are
stable-uptime (~15 days) and stable-mtbf (~26 days) in this table:
https://consensus-health.torproject.org/#flagthresholds
Each figure is in seconds.

Your relay's uptime is listed in its descriptor, in its heartbeat
messages, or on relay search.

Your relay's weighted MTBF is different on each directory authority.
It isn't published by the directory authorities.

My advice: just keep your relay as stable as you can, and it will
probably get Stable. If it doesn't after a month or so, try a more
reliable provider.

Relay flags are chosen so clients get the best network experience.
Missing a few flags for a while doesn't really matter.

T



From: teor
Sent: Wednesday, April 11, 2018 4:30 AM
To: tor-relays at lists.torproject.org
Subject: Re: [tor-relays] Tor Relay Stable Flag
 
 

On 11 Apr 2018, at 20:54, Gary <jaffacakemonster53 at gmail.com> wrote:
Hello.
 
Relay Search is about can be about 3 hours behind.
 
On 11 April 2018 at 08:46, Keifer Bly <keifer.bly at gmail.com> wrote:
 I am also wondering, does how long a relay is offline for after loosing the stable flag effect how long it takes for the relay to regain it’s stable flag? 
 
I think it is about 4 days
 
That's the HSDir flag:
https://gitweb.torproject.org/torspec.git/tree/dir-spec.txt#n2524



but I am sure someone more knowledgeable can provide a more specific number.
 
Stable is based on weighted mean time before failure (MTBF).
 
A Stable relay must be either:
* higher than the median weighted MTBF, or
* have a weighted MTBF of more than 7 days.
 
As a quick guide, your relay should be up for 1-2 weeks to get Stable.
 
Here are the details:
https://gitweb.torproject.org/torspec.git/tree/dir-spec.txt#n2470
 
T
 
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