[anti-censorship-team] Need to increase number of tor instances on snowflake-01 bridge, increased usage since yesterday

[Linus Nordberg]

David Fifield <david at bamsoftware.com> wrote
Mon, 26 Sep 2022 11:04:15 -0600:

> On Mon, Sep 26, 2022 at 10:39:42AM +0200, Linus Nordberg via anti-censorship-team wrote:
>> Possibly related, the number of packets per second seems to be bound to
>> 400 kpps so something is going full at a nice and round figure here:
>> 
>> More granularity shows symmetric "dips" for in- and outbound with a
>> frequency of about 10-15 seconds:
>> 
>> CPU interrupts, softirq and softnet show matching dips:
>
> I see the packets/s exceeding 400k now. But you're right, the daily
> peaks of the packets/s graph look unnaturally flattened the past few
> days, see attached graph. (Iran shutdowns marked in red.)
>
> I don't know what those semi-periodic "dips" could be. Maybe garbage
> collection in the snowflake-server process?

We have other similar patterns of TCP RST (from us) which I haven't
investigated if they correlate or not. If someone would like to look at
these I'm happy to help getting the data out. For those with a shell on
the box, pointing a browser at localhost:19999 is sufficient.