What causes cron job overlaps?

Cron fires on schedule, blind to runtime. DB slows? New instance launches mid-old one. Data duplicates ensue.

How do you monitor cron job duration?

Set thresholds in tools like PulseMon. Success ping past limit? Alert fires, even if job 'worked.'

Yes—30 monitors on free tier. No credit card. Paid unlocks more.

🏗️ DevOps & Infrastructure

Green checkmarks everywhere. Backup file? Empty as a politician's promise. Heartbeat monitoring lied to you.

theAIcatchup Apr 10, 2026 3 min read

Heartbeat monitoring misses overlaps, slow runs, delayed fails, and context-less crashes. 𝕏
PulseMon adds start pings, duration thresholds, fail pings, and output bodies to catch cron lies early. 𝕏
Cron pitfalls echo past disasters like Knight Capital—quiet failures cost millions. 𝕏

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Community-driven. Code-first.

#DevOps tools #PulseMon #cron job monitoring #cron jobs #devops failures #fail pings #heartbeat monitoring #job monitoring #overlap detection

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Originally reported by Dev.to