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systemd-stable/units/systemd-journald.service.in
Lennart Poettering 2ec71e439f journald: slightly bump OOM adjust for journald (#13366)
If logging disappears issues are hard to debug, hence let's give
journald a slight edge over other services when the OOM killer hits.

Here are the special adjustments we now make:

 systemd-coredump@.service.in OOMScoreAdjust=500
 systemd-journald.service.in  OOMScoreAdjust=-250
 systemd-udevd.service.in     OOMScoreAdjust=-1000

(i.e. the coredump processing is made more likely to be killed on OOM,
and udevd and journald are less likely to be killed)
2019-08-22 10:02:28 +02:00

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1.5 KiB
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 Service
Documentation=man:systemd-journald.service(8) man:journald.conf(5)
DefaultDependencies=no
Requires=systemd-journald.socket
After=systemd-journald.socket systemd-journald-dev-log.socket systemd-journald-audit.socket syslog.socket
Before=sysinit.target
[Service]
OOMScoreAdjust=-250
CapabilityBoundingSet=CAP_SYS_ADMIN CAP_DAC_OVERRIDE CAP_SYS_PTRACE CAP_SYSLOG CAP_AUDIT_CONTROL CAP_AUDIT_READ CAP_CHOWN CAP_DAC_READ_SEARCH CAP_FOWNER CAP_SETUID CAP_SETGID CAP_MAC_OVERRIDE
DeviceAllow=char-* rw
ExecStart=@rootlibexecdir@/systemd-journald
FileDescriptorStoreMax=4224
IPAddressDeny=any
LockPersonality=yes
MemoryDenyWriteExecute=yes
NoNewPrivileges=yes
Restart=always
RestartSec=0
RestrictAddressFamilies=AF_UNIX AF_NETLINK
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
Sockets=systemd-journald.socket systemd-journald-dev-log.socket systemd-journald-audit.socket
StandardOutput=null
SystemCallArchitectures=native
SystemCallErrorNumber=EPERM
SystemCallFilter=@system-service
Type=notify
WatchdogSec=3min
# If there are many split up journal files we need a lot of fds to access them
# all in parallel.
LimitNOFILE=@HIGH_RLIMIT_NOFILE@