[metrics-team] temporary negative spike in tor relay count: real or bug?

[Damian Johnson]

Hi Karsten. For what it's worth someone mentioned seeing a negative
bandwidth average in nyx recently too. Naturally I thought this was a
nyx bug but considering this maybe tor itself is generating a negative
value?

Just a thought.

On 7/16/17, Karsten Loesing <karsten at torproject.org> wrote:
> On 2017-07-15 09:04, nusenu wrote:
>> Hi,
>
> Hi nusenu,
>
>> is the massive temporary drop in relays as seen on the platform an
>> version metrics graphs real?
>>
>> https://metrics.torproject.org/platforms.html
>> https://metrics.torproject.org/versions.html
>>
>>
>> It does not show here:
>> https://metrics.torproject.org/relayflags.html
>
> This is most likely a bug.
>
> We recently updated one of the data-processing modules of the Tor
> Metrics website, which overwrote the configuration file with a blank
> one. This error went unnoticed for the weekend. Looks like the fix came
> a few hours after the 72 hour mark for which recent descriptors are
> available on CollecTor. So, we're missing a few hours of descriptors in
> the database.
>
> I'm now re-importing descriptors since July 1, which should ideally fix
> this bug. This may take a few more hours. If it doesn't fix the issue
> over night, I'll take another look tomorrow.
>
> As always, thanks for pointing this out!
>
>> regards,
>> nusenu
>
> All the best,
> Karsten
>
>