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https://github.com/MariaDB/server.git
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151 lines
4.4 KiB
SYSTEMD
151 lines
4.4 KiB
SYSTEMD
#
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# /etc/systemd/system/mariadb.service
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# Thanks to:
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# Daniel Black
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# Erkan Yanar
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# David Strauss
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# and probably others
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[Unit]
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Description=MariaDB database server
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After=network.target
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After=syslog.target
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[Install]
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WantedBy=multi-user.target
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Alias=mysql.service
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Alias=mysqld.service
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[Service]
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##############################################################################
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## Core requirements
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##
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Type=notify
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# Setting this to true can break replication and the Type=notify settings
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# See also bind-address mysqld option.
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PrivateNetwork=false
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##############################################################################
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## Package maintainers
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##
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User=mysql
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Group=mysql
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# To allow memlock to be used as non-root user if set in configuration
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CapabilityBoundingSet=CAP_IPC_LOCK
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# Prevent writes to /usr, /boot, and /etc
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ProtectSystem=full
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# Doesn't yet work properly with SELinux enabled
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# NoNewPrivileges=true
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PrivateDevices=true
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# Prevent accessing /home, /root and /run/user
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ProtectHome=true
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# Execute pre and post scripts as root, otherwise it does it as User=
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PermissionsStartOnly=true
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@SYSTEMD_EXECSTARTPRE@
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# Perform automatic wsrep recovery. When server is started without wsrep,
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# galera_recovery simply returns an empty string. In any case, however,
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# the script is not expected to return with a non-zero status.
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# It is always safe to unset _WSREP_START_POSITION environment variable.
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# Do not panic if galera_recovery script is not available. (MDEV-10538)
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ExecStartPre=/bin/sh -c "systemctl unset-environment _WSREP_START_POSITION"
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ExecStartPre=/bin/sh -c "[ ! -e /usr/bin/galera_recovery ] && VAR= || \
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VAR=`/usr/bin/galera_recovery`; [ $? -eq 0 ] \
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&& systemctl set-environment _WSREP_START_POSITION=$VAR || exit 1"
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# Needed to create system tables etc.
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# ExecStartPre=/usr/bin/mysql_install_db -u mysql
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# Start main service
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# MYSQLD_OPTS here is for users to set in /etc/systemd/system/mariadb.service.d/MY_SPECIAL.conf
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# Use the [service] section and Environment="MYSQLD_OPTS=...".
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# This isn't a replacement for my.cnf.
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# _WSREP_NEW_CLUSTER is for the exclusive use of the script galera_new_cluster
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ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION
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@SYSTEMD_EXECSTARTPOST@
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# Unset _WSREP_START_POSITION environment variable.
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ExecStartPost=/bin/sh -c "systemctl unset-environment _WSREP_START_POSITION"
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KillMode=process
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KillSignal=SIGTERM
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# Don't want to see an automated SIGKILL ever
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SendSIGKILL=no
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# Restart crashed server only, on-failure would also restart, for example, when
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# my.cnf contains unknown option
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Restart=on-abort
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RestartSec=5s
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UMask=007
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##############################################################################
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## USERs can override
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##
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##
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## by creating a file in /etc/systemd/system/mariadb.service.d/MY_SPECIAL.conf
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## and adding/setting the following will override this file's settings.
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# Useful options not previously available in [mysqld_safe]
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# Kernels like killing mysqld when out of memory because its big.
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# Lets temper that preference a little.
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# OOMScoreAdjust=-600
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# Explicitly start with high IO priority
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# BlockIOWeight=1000
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# If you don't use the /tmp directory for SELECT ... OUTFILE and
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# LOAD DATA INFILE you can enable PrivateTmp=true for a little more security.
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PrivateTmp=false
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##
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## Options previously available to be set via [mysqld_safe]
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## that now needs to be set by systemd config files as mysqld_safe
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## isn't executed.
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##
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# Number of files limit. previously [mysqld_safe] open-file-limit
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LimitNOFILE=16364
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# Maximium core size. previously [mysqld_safe] core-file-size
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# LimitCore=
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# Nice priority. previously [mysqld_safe] nice
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# Nice=-5
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# Timezone. previously [mysqld_safe] timezone
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# Environment="TZ=UTC"
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# Library substitutions. previously [mysqld_safe] malloc-lib with explict paths
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# (in LD_LIBRARY_PATH) and library name (in LD_PRELOAD).
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# Environment="LD_LIBRARY_PATH=/path1 /path2" "LD_PRELOAD=
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# Flush caches. previously [mysqld_safe] flush-caches=1
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# ExecStartPre=sync
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# ExecStartPre=sysctl -q -w vm.drop_caches=3
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# numa-interleave=1 equalivant
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# Change ExecStart=numactl --interleave=all /usr/sbin/mysqld......
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# crash-script equalivent
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# FailureAction=
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