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ef0fa8395f
This follows the example set by libvirtd, and makes it easier for the admin to tweak the timeout or disable it altogether. Signed-off-by: Andrea Bolognani <abologna@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
48 lines
1.6 KiB
SYSTEMD
48 lines
1.6 KiB
SYSTEMD
[Unit]
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Description=Virtualization qemu daemon
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Conflicts=libvirtd.service
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Requires=virtqemud.socket
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Requires=virtqemud-ro.socket
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Requires=virtqemud-admin.socket
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Wants=systemd-machined.service
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Before=libvirt-guests.service
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After=network.target
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After=dbus.service
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After=apparmor.service
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After=local-fs.target
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After=remote-fs.target
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After=systemd-logind.service
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After=systemd-machined.service
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Documentation=man:libvirtd(8)
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Documentation=https://libvirt.org
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[Service]
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Type=notify
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EnvironmentFile=-@sysconfdir@/sysconfig/virtqemud
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ExecStart=@sbindir@/virtqemud $VIRTQEMUD_ARGS
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ExecReload=/bin/kill -HUP $MAINPID
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KillMode=process
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Restart=on-failure
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# At least 1 FD per guest, often 2 (eg qemu monitor + qemu agent).
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# eg if we want to support 4096 guests, we'll typically need 8192 FDs
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# If changing this, also consider virtlogd.service & virtlockd.service
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# limits which are also related to number of guests
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LimitNOFILE=8192
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# The cgroups pids controller can limit the number of tasks started by
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# the daemon, which can limit the number of domains for some hypervisors.
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# A conservative default of 8 tasks per guest results in a TasksMax of
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# 32k to support 4096 guests.
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TasksMax=32768
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# With cgroups v2 there is no devices controller anymore, we have to use
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# eBPF to control access to devices. In order to do that we create a eBPF
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# hash MAP which locks memory. The default map size for 64 devices together
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# with program takes 12k per guest. After rounding up we will get 64M to
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# support 4096 guests.
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LimitMEMLOCK=64M
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[Install]
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WantedBy=multi-user.target
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Also=virtqemud.socket
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Also=virtqemud-ro.socket
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Also=virtqemud-admin.socket
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