{ config, pkgs, ... }:
let
  unstable = import (fetchTarball https://nixos.org/channels/nixos-unstable/nixexprs.tar.xz) {
    config = { allowUnfree = true; };
  };
in
{
  services.netdata.configDir."python.d.conf" = pkgs.writeText "python.d.conf" ''
    postfix: yes
  '';

  services.netdata = {
    enable = true;
    python.enable = true;

    package = pkgs.netdata.override {
      withCloud = true;
    };

    config = {
      global = {
        "memory mode" = "none";
        "page cache size" = 32;
        "update every" = 15;
      };
      ml = {
        # enable machine learning
        "enabled" = "yes";
      };
      # web = {
      #   mode = "none";
      #   "accept a streaming request every seconds" = 0;
      # };
    };
  };
}