[Galene] How to read stats information

[Galene] How to read stats information

[Thomas Gambier]

Hello,

I'd like to know how to read those stats (from /stats page). In my case,
the first user in the list experienced a really distorted sound from me
(I'm the second user in the list).

Especially, what are the 37% ?

Thanks.

Thomas.



137e2d2784adb4cfe1f1c54b4c241449
Up	0b203a0ee31762d995a15528cb6e367a
35680	0%	±8.729027ms
700816	0%	±5.588833ms
Down	969a21a58e75227f0cb06a84924815e9	24503
30488/9600	37%	59.869669ms±4.625ms
299800/14903	0%	61.573201ms±5.477777ms


6258dbdd13fe3446ec4592be82582d48
Up	969a21a58e75227f0cb06a84924815e9
24272	0%	±1.437477ms
207032	0%	±1.688872ms
Down	0b203a0ee31762d995a15528cb6e367a	1158816
33864/512000	0%	16.902669ms±6.270833ms
713312/878371	0%	15.795369ms±10.066666ms

e0cd1fb0285366b13a36e0f78f204ebe
Down	0b203a0ee31762d995a15528cb6e367a	1148504
34064/512000	0%	15.925211ms±9.083333ms
692240/905820	0%	15.571289ms±10.388888ms
Down	969a21a58e75227f0cb06a84924815e9	333522
27088/512000	0%	14.88033ms±2ms
207208/512000	0%	13.103149ms±2.244444ms

[Galene] Re: How to read stats information

[Juliusz Chroboczek]

Bonjour Thomas !

> I'd like to know how to read those stats (from /stats page).

Up/Down: the direction of the stream ("Up" means client->server).

> 713312/878371	0%	15.795369ms±10.066666ms

The first number is the bitrate, the second is the maximum bitrate within
which Galène is trying to fit (estimated by congestion control).

0% is the estimated packet loss rate.

The last figure is the RTT and the estimated jitter (for down streams only).

> Especially, what are the 37% ?

You're referring to this stream:

> Down	969a21a58e75227f0cb06a84924815e9	24503
> 30488/9600	37%	59.869669ms±4.625ms
> 299800/14903	0%	61.573201ms±5.477777ms

The user is having 37% packet loss rate, which is extremely high.  The
congestion control algorithm has dropped this users rate to 24503 bps
(9600 for audio, 14903 for video), which is way lower than Galène can
possibly achieve.

Either the user is behind a very slow link, or they're behind a WiFi link
with extremely high loss rates.  If the former, they should disable the
video feed (Receive->Nothing).  If the latter, which is more probable,
they should move around until reception is better (there's probably
a couple of carrier walls between them and the router).

-- Juliusz

[Galene] Re: How to read stats information

[Thomas Gambier]

On 2021-04-26 12:06, Juliusz Chroboczek wrote:
> Bonjour Thomas !
>
>> I'd like to know how to read those stats (from /stats page).
>
> Up/Down: the direction of the stream ("Up" means client->server).
>
>> 713312/878371	0%	15.795369ms±10.066666ms
>
> The first number is the bitrate, the second is the maximum bitrate
> within
> which Galène is trying to fit (estimated by congestion control).
>
> 0% is the estimated packet loss rate.
>
> The last figure is the RTT and the estimated jitter (for down streams
> only).

Thanks a lot Juliusz


>> Especially, what are the 37% ?
>
> You're referring to this stream:
>
>> Down	969a21a58e75227f0cb06a84924815e9	24503
>> 30488/9600	37%	59.869669ms±4.625ms
>> 299800/14903	0%	61.573201ms±5.477777ms
>
> The user is having 37% packet loss rate, which is extremely high.  The
> congestion control algorithm has dropped this users rate to 24503 bps
> (9600 for audio, 14903 for video), which is way lower than Galène can
> possibly achieve.
>
> Either the user is behind a very slow link, or they're behind a WiFi
> link
> with extremely high loss rates.  If the former, they should disable the
> video feed (Receive->Nothing).  If the latter, which is more probable,
> they should move around until reception is better (there's probably
> a couple of carrier walls between them and the router).

OK. The user confirms that he is using a 4G network. After some
investigation, we found he has a problem to connect specifically to the
IP of our galene server and nothing else. We will debug with our
internet providers.

Thanks again.

Thomas.