One more thing:

> On 8 Apr 2019, at 07:57, teor <t...@riseup.net> wrote:
> 
> Hi,
> 
>> On 7 Apr 2019, at 05:19, Logforme <m7...@abc.se> wrote:
>> 
>> I run the non-exit relay: 
>> https://metrics.torproject.org/rs.html#details/855BC2DABE24C861CD887DB9B2E950424B49FC34
>> The relay run on a debian stretch machine with an i5-4670 at 3.8GHz with 4GB 
>> memory. CPU usage at 250Mbps traffic is around 40% of 1 core out of 4.
>> 
>> On April 1st my ISP doubled my bandwidth, from 250Mbps to 500Mbps.
>> So far the Tor bandwidth authorities seems to not have picked up on all the 
>> new bandwidth. The observed bandwidth number has changed twice, increasing 
>> with small amounts.
>> 
>> How long does it take for the BW authorities to eventually observe a BW 
>> closer to 500Mbps. Weeks? Months?
> 
> Your relay observes its own bandwidth, and tells the bandwidth authorities the
> maximum over the last 5 days.
> 
> Looking at the 6 months graph from 1 April, your relay's observed bandwidth 
> has
> increased about 5-10%. A small increase per week isn't bad for a guard: even 
> if
> your consensus weight goes up, it takes time for clients to rotate guards.
> 
> The bandwidth authorities also measure the excess bandwidth on your relay 
> every few
> days, and combine their measurements with your relay's observed bandwidth to
> generate their consensus weight votes. The consensus value is the low-median 
> of
> those votes.
> 
> Looking at the consensus weight graph, the votes haven't changed much at all.
> 
> (The consensus weight changes the number of clients that use your relay, which
> increases its observed bandwidth, but decreases the measured bandwidth. 
> Eventually
> these changes balance out.)
> 
>> The reason I ask is that I wonder if I should run a second Tor instance or 
>> if the current one will be able to make use a a reasonable part of the 
>> 500Mps.
> 
> It looks like your relay could be CPU-core-limited, or limited by some other
> local resource, or limited by its location.

It's probably a local resource, because the bandwidth authority measurements 
don't
vary much, even though the bandwidth authorities are on two different 
continents:
https://consensus-health.torproject.org/consensus-health-2019-04-07-20-00.html#855BC2DABE24C861CD887DB9B2E950424B49FC34

> To work out where the limit is, run another Tor instance.
> 
> You could also wait another week to see if your relay picks up another 5-10%
> traffic increase.
> 
> T
> 

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