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systemd/units/systemd-journal-upload.service.in
Zbigniew Jędrzejewski-Szmek 21d0dd5a89 meson: allow WatchdogSec= in services to be configured
As discussed on systemd-devel [1], in Fedora we get lots of abrt reports
about the watchdog firing [2], but 100% of them seem to be caused by resource
starvation in the machine, and never actual deadlocks in the services being
monitored. Killing the services not only does not improve anything, but it
makes the resource starvation worse, because the service needs cycles to restart,
and coredump processing is also fairly expensive. This adds a configuration option
to allow the value to be changed. If the setting is not set, there is no change.

My plan is to set it to some ridiculusly high value, maybe 1h, to catch cases
where a service is actually hanging.

[1] https://lists.freedesktop.org/archives/systemd-devel/2019-October/043618.html
[2] https://bugzilla.redhat.com/show_bug.cgi?id=1300212
2019-10-25 17:20:24 +02:00

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SYSTEMD

# SPDX-License-Identifier: LGPL-2.1+
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Journal Remote Upload Service
Documentation=man:systemd-journal-upload(8)
Wants=network-online.target
After=network-online.target
[Service]
DynamicUser=yes
ExecStart=@rootlibexecdir@/systemd-journal-upload --save-state
LockPersonality=yes
MemoryDenyWriteExecute=yes
PrivateDevices=yes
ProtectControlGroups=yes
ProtectHome=yes
ProtectHostname=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
RestrictNamespaces=yes
RestrictRealtime=yes
StateDirectory=systemd/journal-upload
SupplementaryGroups=systemd-journal
SystemCallArchitectures=native
User=systemd-journal-upload
@SERVICE_WATCHDOG@
# If there are many split up journal files we need a lot of fds to access them
# all in parallel.
LimitNOFILE=@HIGH_RLIMIT_NOFILE@
[Install]
WantedBy=multi-user.target