[Unit]
Description=The Hadoop DAEMON daemon
After=network.target
After=NetworkManager.target

[Service]
Type=forking
EnvironmentFile=-/etc/sysconfig/hadoop-yarn
EnvironmentFile=-/etc/sysconfig/hadoop-DAEMON
ExecStart=/usr/sbin/yarn-daemon.sh start DAEMON
ExecStop=/usr/sbin/yarn-daemon.sh stop DAEMON
User=yarn
Group=hadoop
PIDFile=/run/hadoop-yarn/hadoop-yarn-DAEMON.pid
LimitNOFILE=32768
LimitNPROC=65536

#######################################
# Note: Below are cgroup options
#######################################
#Slice=
#CPUAccounting=true
#CPUShares=1024

#MemoryAccounting=true
#TBD: MemoryLimit=bytes, MemorySoftLimit=bytes

#BlockIOAccounting=true
#BlockIOWeight=??
#BlockIODeviceWeight=??
#TBD: BlockIOReadBandwidth=bytes, BlockIOWriteBandwidth=bytes

#DeviceAllow=
#DevicePolicy=auto|closed|strict

[Install]
WantedBy=multi-user.target