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

[David Fifield]

On Fri, Sep 23, 2022 at 11:01:37AM -0400, Cecylia Bocovich wrote:
> On 2022-09-22 11:24, David Fifield wrote:
> > There is increased usage of the snowflake-01 bridge since yesterday,
> > likely related to protests/shutdowns in Iran. The 4 load-balanced tor
> > instances, which recently were at about 60% CPU at the steady state, are
> > currently near 100%.
> > 
> > I am planning to increase the number of instances today.
> 
> It looks like we're also reaching proxy capacity again for the first time in
> a while.
> 
> I've attached a visualization of available proxies that are compatible with
> all types of client NATs. You can see in the first image that the number of
> idle proxies has gone to zero and all available proxies are being matched.
> The second image shows spikes in the number of clients denied a working
> proxy.
> 
> The depletion of this proxy pool could be due to the high amount of mobile
> network usage, since these networks are likely to have complex and
> restrictive NAT topologies.

Besides recruiting more proxies, could we stretch the existing
unrestricted proxies further? When a proxy finds its own NAT type to be
unrestricted, it could increase its polling frequency and/or concurrent
capacity.