Node.js Monitoring for 3 Cron Job Silent Failure Signals
A cohort experiment cannot be rolled back safely if its scheduled evaluator can disappear without evidence. App logs alone are insufficient because…
AI & ML
⚑ Report a ProblemLatest AI & ML news from Tech News
All topics
AI
News
Tech
agents
ai
api
architecture
automation
backend
beginners
career
claude
database
devchallenge
devops
javascript
llm
machinelearning
mcp
opensource
productivity
programming
python
react
security
showdev
testing
tutorial
typescript
webdev
A Guide to Choose Healthchecks and App Metrics for Missed Cron Jobs
A scheduled task has one operational constraint that changes the tooling choice: when it never starts, it cannot emit its own failure metric. TL;DR:…
Nightly Data Cleanup With Cron, HTTP Endpoints, and Queue Workers
When a customer-support system retries outbound webhooks, the cleanup job is easy to underestimate. A nightly delete of old delivery records may fit…
Stuck on 'Running' for 3 Days After Morning Update
📝 Originally published (in Japanese) at forge.workstyle.tech . September 29, 09:52 AM. The scheduled task for the Claude desktop app was displayed a…
Парсер расписаний после хабратестирования: полвторого, RRULE, systemd и производственный календарь
В прошлой статье я показал cronsense, библиотеку, которая переводит расписание на русском или английском в cron: «по будням в 9:30» → 30 9 * * 1-5 .…
Крон три дня писал «код 0» и ничего не делал: пять форм тихого отказа в автоматизации
Три утра подряд мой крон писал “завершено, код 0”, а главная работа стояла. В другой истории 291 зеленый тест сопровождался нулем изменений в поведе…
My Monitoring Cron Never Ran Once. crontab -l Showed It Fine.
I write monitoring so I don't have to watch things by hand. So there is a special kind of dread in discovering that the monitor you installed to wat…
Migrating from crontab: five everyday schedules, translated into Kairos
If you arrived from the Kairos 1.0 announcement , this is the hands-on one: take a crontab you already have and translate it. First, the honest part…
Node.js Scheduled Enqueue Example: A Queue Alternative for Background Reports
Put the schedule and the work in separate processes: let a cron trigger enqueue a small, idempotent job record, then let queue workers claim that re…
A Dead-Man's Switch That Pages Once and Goes Quiet Is Worse Than None. Ours Went Silent for 43 Days.
Most monitoring watches for something bad to appear: a 500, a timeout, an expired certificate, a slow response. A heartbeat monitor does the opposit…
Не в 12,1 раз, а 2,3–2,9: сколько стоит новый тариф DeepSeek V4 и почему все решают 3 часа с 10:00 до 13:00 МСК
Цифру «+1100%» я увидел в чужом пересказе, и это ровно тот жанр новости, после которого приходят спрашивать, что будет со сметой. Часть нашей нагруз…
"Cron 'every 2 weeks' doesn't exist. Here's the expression that actually works."
You just Googled "cron every 2 weeks" because your clean-up job keeps running weekly, and the cron docs are silent on the whole idea. That's not you…
Runbook for API Failures and Silent Cron Jobs in a Backend Metrics Dashboard
Use metrics APIs for cron-job, API-failure, and business-event charts, then add a separate heartbeat monitor for jobs that never start. That is the…
Your cron job fires on the wrong day
A team ports a job from a Quartz scheduler to a Unix crontab. The Quartz trigger ran Monday through Friday — day-of-week field 2-6 , because Quartz…
Cron jobs and schedulers with BullMQ
In-process cron ( node-cron , @nestjs/schedule , OS crontab) runs inside one Node process. That is fine for a single instance, but it does not survi…
The Symfony Scheduler Component: Cron in Your App, Not Your Crontab
Book: Decoupled PHP — Clean and Hexagonal Architecture for Applications That Outlive the Framework Also by me: Thinking in Go (2-book series) — Comp…
Cron Job Monitoring Tools Compared: From DIY to Fully Managed
Cron's biggest problem isn't scheduling — it's silence. A cron job can fail every night for a month, and unless you're manually checking logs on the…
GitLab Scheduled Pipeline Monitoring: How to Catch Missed CI/CD Runs Before They Break Production
GitLab scheduled pipeline monitoring matters because scheduled CI/CD jobs can fail quietly while the rest of your system looks healthy. Your applica…