Blog · Page 6 of 6
Why scheduled jobs miss runs or fail silently, and how to catch it in the schedulers you already use.
Confirm cron is running, find the crontab that owns the job, reproduce its environment, and check what actually ran. A practical Linux cron troubleshooting guide.
Cron's log shows a job started, not that it worked. Compare cron's log, output files, exit codes, and heartbeat monitoring, the only check that notices a job that never ran.
Why WP-Cron runs late, how to trigger it from server cron with WP-CLI, how to check for overdue events, and how to get an alert when WordPress cron stops or a critical callback fails.
A running scheduler does not prove a job ran. Check process lifetime, paused state, overlap limits and missed executions, then monitor the expected run.
The Sidekiq metrics worth alerting on, the failure modes behind them, and how to catch a recurring job that never runs with manual HTTP check-ins from Ruby.
How node-cron 4 and node-schedule handle errors, restarts, overlaps, and multiple instances, and how to get an alert when a Node.js scheduled job fails or never runs.
The five common ways to schedule Django tasks, the failures each one hides, and working code that reports starts, completions, and failures without breaking the job.
Why a Kubernetes CronJob can stop running without an error, what the controller does after missed schedules, Prometheus rules that use the right metrics, and an external heartbeat that keeps the exit code.
What Quartz.NET does when a job throws, misfires, or cannot be created, which listeners and health checks to add, and how to get an alert when a scheduled job stops running.
Check Hangfire job status with IMonitoringApi, distinguish worker health from completed work, and catch recurring jobs that fail or never run.
Celery tasks can vanish without an error, and a stopped beat scheduler fails nothing. Set up Flower, Prometheus alerts, error tracking, and checks for scheduled tasks that never run.
Why Laravel scheduled tasks stop without an error, how to check the cron entry, overlap locks, and task hooks, and how to get an alert when a task fails or never runs.