why on linux docker image is so slow compared to windows native downloader?

[pindaroli]

why qtorrent is to slow? less seeds tha windows less peer.

This is myconf
##############################################
version: "2.1"
services:
qbittorrent:
image: lscr.io/linuxserver/qbittorrent:latest
container_name: qbittorrent
environment:
- PUID=1000
- PGID=1000
- TZ=Etc/UTC
- WEBUI_PORT=8080
volumes:
- /path/to/appdata/config:/config
- /path/to/downloads:/downloads
ports:
- 8080:8080
- 6881:6881
- 6881:6881/udp
restart: unless-stopped
#############################################################
port 6881 is open on firewall.
ISP Traffic shaping?

thank
Olindo

[pindaroli]

I opened Advanced\trackerPort=9000 (and i pass to docker image) and now seems more speedy