Symptoms

• The data-sync service restarts every 30 seconds and then stops entirely.
• systemctl status data-sync shows: Active: failed with start-limit-hit.
• The journal shows the service starting, running for 2-3 seconds, then exiting.
• After 5 rapid restart attempts, systemd hits the start rate limit and refuses to restart.
• The application team says the service works fine in their development environment.
• The service was recently deployed to this new production server.
• Manual execution of the binary works when run as root from the command line.