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COS/GCE: Ensure TasksMax is sufficient for docker

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This affects how many threads/processes docker can create, and should
not be limited.
This commit is contained in:
Yu-Ju Hong 2017-09-05 15:33:53 -07:00
parent 8b9e8cf80a
commit d6de90e8f7
1 changed files with 11 additions and 5 deletions
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16
cluster/gce/gci/configure-helper.sh
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@ -811,20 +811,26 @@ function assemble-docker-flags {
# If using a network plugin, extend the docker configuration to always remove
# the network checkpoint to avoid corrupt checkpoints.
# (https://github.com/docker/docker/issues/18283).
echo "Extend the default docker.service configuration"
echo "Extend the docker.service configuration to remove the network checkpiont"
mkdir -p /etc/systemd/system/docker.service.d
cat <<EOF >/etc/systemd/system/docker.service.d/01network.conf
[Service]
ExecStartPre=/bin/sh -x -c "rm -rf /var/lib/docker/network"
EOF
fi
# Ensure TasksMax is sufficient for docker.
# (https://github.com/kubernetes/kubernetes/issues/51977)
echo "Extend the docker.service configuration to set a higher pids limit"
mkdir -p /etc/systemd/system/docker.service.d
cat <<EOF >/etc/systemd/system/docker.service.d/02tasksmax.conf
[Service]
TasksMax=infinity
EOF
systemctl daemon-reload
# If using a network plugin, we need to explicitly restart docker daemon, because
# kubelet will not do it.
echo "Docker command line is updated. Restart docker to pick it up"
systemctl restart docker
fi
}
# This function assembles the kubelet systemd service file and starts it