---

# tcp performance tuning
- name: "performance - configure tcp"
  ansible.posix.sysctl:
    name: "{{ item.name }}"
    value: "{{ item.value }}"
    state: "present"
    sysctl_file: "/etc/sysctl.conf"
    reload: false
  loop:
    - name: "net.core.netdev_max_backlog"
      value: "5000"
    - name: "net.core.rmem_max"
      value: "16777216"
    - name: "net.core.wmem_max"
      value: "16777216"
    - name: "net.ipv4.tcp_rmem"
      value: "4096 87380 16777216"
    - name: "net.ipv4.tcp_wmem"
      value: "4096 65536 16777216"
    - name: "net.ipv4.tcp_congestion_control"
      value: "bbr"
    - name: "net.core.default_qdisc"
      value: "fq"
    - name: "net.ipv4.tcp_fin_timeout"
      value: "15"
    - name: "net.ipv4.tcp_tw_reuse"
      value: "1"
    - name: "net.ipv4.tcp_ecn"
      value: "1"
    - name: "net.core.netdev_budget"
      value: "600"
    - name: "net.core.netdev_budget_usecs"
      value: "8000"

- name: "Apply all sysctl settings"
  ansible.builtin.command:
    cmd: "sysctl -p"
  changed_when: false