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contrib: systemd: set Limit* to infinity

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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: Aleksa Sarai <asarai@suse.de>
This commit is contained in:
Aleksa Sarai 2016-07-04 23:00:28 +10:00
parent d97233ca88
commit 8db61095a3
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1 changed files with 4 additions and 2 deletions
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6
contrib/init/systemd/docker.service
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@ -11,8 +11,10 @@ Type=notify
# for containers run by docker # for containers run by docker
ExecStart=/usr/bin/dockerd -H fd:// ExecStart=/usr/bin/dockerd -H fd://
ExecReload=/bin/kill -s HUP $MAINPID ExecReload=/bin/kill -s HUP $MAINPID
LimitNOFILE=1048576 # Having non-zero Limit*s causes performance problems due to accounting overhead
LimitNPROC=1048576 # in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity LimitCORE=infinity
# Uncomment TasksMax if your systemd version supports it. # Uncomment TasksMax if your systemd version supports it.
# Only systemd 226 and above support this version. # Only systemd 226 and above support this version.