systemd: set Limit* to infinity

There is a not-insignificant performance overhead for all containers (if
containerd is a child of Docker, which is the current setup) if systemd
sets rlimits on the main Docker daemon process (because the limits
propogate to all children).

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2018-08-31 12:45:07 +02:00
parent ef9ee10914
commit 80039b4699
1 changed files with 4 additions and 0 deletions

View File

@ -17,6 +17,10 @@ Restart=always
# /opt/containerd/bin is in front so dockerd grabs the correct runc binary
Environment="PATH=/opt/containerd/bin:/sbin:/usr/bin:/usr/local/bin:$PATH"
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
[Install]