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Prioritization HTTP/2 with BBR & tcp_notsent_lowat

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Denis Denisov 2018-10-29 09:17:46 +02:00
parent fa9f520110
commit fae0cfaf65
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@ -312,3 +312,19 @@ NGINX config formatter
NGINX configuration tools NGINX configuration tools
------------------------- -------------------------
* https://github.com/nginxinc/crossplane * https://github.com/nginxinc/crossplane
BBR (Linux 4.9+)
----------------
* https://blog.cloudflare.com/http-2-prioritization-with-nginx/
* Linux v4.13+ as no longer required FQ (`q_disc`) with BBR.
* https://github.com/google/bbr/blob/master/Documentation/bbr-quick-start.md
* https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=218af599fa635b107cfe10acf3249c4dfe5e4123
* https://github.com/systemd/systemd/issues/9725#issuecomment-413369212
* If the latest Linux kernel distribution does not have `tcp_bbr` enabled by default:
```sh
modprobe tcp_bbr && echo 'tcp_bbr' >> /etc/modules-load.d/bbr.conf
echo 'net.ipv4.tcp_congestion_control=bbr' >> /etc/sysctl.d/99-bbr.conf
# Recommended for production, but with Linux v4.13rc1+ can be used not only in FQ (`q_disc') in BBR mode.
echo 'net.core.default_qdisc=fq' >> /etc/sysctl.d/99-bbr.conf
sysctl --system
```