[Unit]
Description=MongoDB Database Server
Documentation=https://docs.mongodb.org/manual
After=network-online.target
Wants=network-online.target

[Service]
ExecStart=/usr/bin/mongod --dbpath /home/user2/lib/mongo --logpath /home/user2/log/mongodb/mongod.log --fork
Restart=on-failure
SuccessExitStatus=3 4
RestartForceExitStatus=3 4
Type=forking

# Hardening
SystemCallArchitectures=native
#MemoryDenyWriteExecute=true
NoNewPrivileges=true

# file size
LimitFSIZE=infinity
# cpu time
LimitCPU=infinity
# virtual memory size
LimitAS=infinity
# open files
LimitNOFILE=64000
# processes/threads
LimitNPROC=64000
# locked memory
LimitMEMLOCK=infinity
# total threads (user+kernel)
TasksMax=infinity
TasksAccounting=false
# Recommended limits for mongod as specified in
# https://docs.mongodb.com/manual/reference/ulimit/#recommended-ulimit-settings

[Install]
WantedBy=multi-user.target