Tdengine failed to start, start request repeated too quickly for taosd.service

When you disable TDEngine, you will be presented with Start Request (as evidenced by Too Quickly for Taosd.service)

The solution
Edit taosd.service and look at the prompts. Line 3 of the image above. Loaded: Loaded follows

vim /etc/systemd/system/taosd.service

Modify StartLimitBurst = 0

[Unit]
Description=TDengine server service
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
ExecStart=/usr/bin/taosd
ExecStartPre=/usr/local/taos/bin/startPre.sh
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
TimeoutStartSec=0
StandardOutput=null
Restart=always
StartLimitBurst=0
StartLimitInterval=60s

[Install]
WantedBy=multi-user.target

Launch OK again

Read More: