Question about how "server_names" works

[seth100]

Hi,
I have a doubt about how server_names works:

I tried to comment the server_names property so that dnscrypt chooses the fastest servers for me and I see from dnsleaktest.com that my system is connecting to many servers so I guess it means that dnscrypt is using all the available servers (based of course on my filter preferences, I see there are 32 live ATM) and so every time I make a DNS request my system connects to all those servers, not to just the fastest one, is that right?
If so, isn't that a slowdown for my connection requests?

Thanks

[lifenjoiner]

No, in short.

1. By default, it picks one following lb_strategy.
2. The servers delay are measured by EWMA algorithm on the fly, and ranked dynamically.
3. Those testing sites always try a bunch of specified domains. If delay of the last answer goes high, its ranking is likely to be dropped, and then a "better" server will be adopted.

In summary, it always tries to adopt the best or one of the best N servers, on the fly.

[seth100]

Nice, thanks for answering!
So why do I see many servers in dnsleaktest.com?

[lifenjoiner]

The servers ranking changed during solving those specified domains.

[seth100]

oh ok, cool thanks!