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The QEMU driver uses both virtlogd and virtlockd, while the Xen driver uses virtlockd. The libvirtd.service unit contains deps on the socket units for these services, but these deps were missed in the modular daemons. As a result the virtlockd/virtlogd sockets are not started when the virtqemud/virtxend daemons are started. Reviewed-by: Jiri Denemark <jdenemar@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
52 lines
1.7 KiB
SYSTEMD
52 lines
1.7 KiB
SYSTEMD
[Unit]
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Description=Virtualization qemu daemon
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Conflicts=libvirtd.service
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Requires=virtlogd.socket
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Requires=virtlockd.socket
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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=virtlogd.socket
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Also=virtlockd.socket
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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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