I’m running single container, but that shouldn’t matter, these kernel settings should be available in any of your containers. Here’s my output from inside the container, but I get the same result if I do it on the host OS:
root@b1de590:~# sysctl net.core
net.core.bpf_jit_enable = 1
net.core.bpf_jit_harden = 0
net.core.bpf_jit_kallsyms = 1
net.core.bpf_jit_limit = 132942659584
net.core.busy_poll = 0
net.core.busy_read = 0
net.core.default_qdisc = fq_codel
net.core.dev_weight = 64
net.core.dev_weight_rx_bias = 1
net.core.dev_weight_tx_bias = 1
net.core.devconf_inherit_init_net = 0
net.core.fb_tunnels_only_for_init_net = 0
net.core.flow_limit_cpu_bitmap = 0
net.core.flow_limit_table_len = 4096
net.core.gro_normal_batch = 8
net.core.high_order_alloc_disable = 0
net.core.max_skb_frags = 17
net.core.message_burst = 10
net.core.message_cost = 5
net.core.netdev_budget = 300
net.core.netdev_budget_usecs = 8000
net.core.netdev_max_backlog = 1000
net.core.netdev_rss_key = 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00
net.core.netdev_tstamp_prequeue = 1
net.core.netdev_unregister_timeout_secs = 10
net.core.optmem_max = 20480
net.core.rmem_default = 212992
net.core.rmem_max = 3000000
net.core.rps_sock_flow_entries = 0
net.core.skb_defer_max = 64
net.core.somaxconn = 4096
net.core.tstamp_allow_data = 1
net.core.txrehash = 1
net.core.warnings = 0
net.core.wmem_default = 212992
net.core.wmem_max = 3000000
net.core.xfrm_acq_expires = 30
net.core.xfrm_aevent_etime = 10
net.core.xfrm_aevent_rseqth = 2
net.core.xfrm_larval_drop = 1
I’m also running privileged. Here’s my docker-compose.yml:
version: '2.1'
networks: {}
volumes:
resin-data: {}
udevdata:
driver: local
driver_opts:
o: bind
type: none
device: /run/udev/data
logs:
driver_opts:
type: tmpfs
device: tmpfs
tmpstorage:
driver_opts:
type: tmpfs
device: tmpfs
services:
main:
build:
context: .
dockerfile: Dockerfile.arm64
privileged: true
tty: true
environment:
- 'DBUS_SYSTEM_BUS_ADDRESS=unix:path=/host/run/dbus/system_bus_socket'
ports:
- "22:22"
expose: [22]
restart: always
network_mode: host
volumes:
- 'resin-data:/data'
- 'udevdata:/run/udev/data'
- 'logs:/tmp/DMXCore100Logs'
- 'tmpstorage:/tmp/DMXCore100Temp'
labels:
io.resin.features.kernel-modules: '1'
io.resin.features.firmware: '1'
io.resin.features.dbus: '1'
io.resin.features.supervisor-api: '1'
io.resin.features.resin-api: '1'