[Unit]
Description=MariaDB database server (with tcmalloc)
After=network.target
After=syslog.target

[Install]
WantedBy=multi-user.target
Alias=mysql.service
Alias=mysqld.service

[Service]
Type=notify
PrivateNetwork=false
User=mysql
Group=mysql
CapabilityBoundingSet=CAP_IPC_LOCK
ProtectSystem=full
PrivateDevices=true
ProtectHome=true
PermissionsStartOnly=true
ExecStartPre=/bin/sh -c "systemctl unset-environment _WSREP_START_POSITION"
ExecStartPre=/bin/sh -c "[ ! -e /usr/bin/galera_recovery ] && VAR= || \
 VAR=`/usr/bin/galera_recovery`; [ $? -eq 0 ] \
 && systemctl set-environment _WSREP_START_POSITION=$VAR || exit 1"
ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION
ExecStartPost=/bin/sh -c "systemctl unset-environment _WSREP_START_POSITION"
KillMode=process
KillSignal=SIGTERM
SendSIGKILL=no
Restart=on-abort
RestartSec=5s
UMask=007
OOMScoreAdjust=-600
PrivateTmp=false
LimitNOFILE=16364

Environment="LD_LIBRARY_PATH=/usr/local/lib"
Environment="LD_PRELOAD=/usr/lib64/libtcmalloc.so"
Environment="HEAPPROFILE=/tmp/mysqld.prof"