---
title: "silent-failure"
lang: "en"
author: "Mohammad Abu Mattar"
canonical: https://mkabumattar.com/incidents/tags/silent-failure
---

[Home](/)›[All Incidents](/incidents)›[All Tags](/incidents/tags)›[Silent failure](/incidents/tags/silent-failure)

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# #Silent failure

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## [Three Dashboards Reported Zero Revenue, and Every Job Exited 0](/incidents/post/cron-silent-zero-revenue-failure)

-   Sev2
-   Overnight
-   [Reliability](/incidents/categories/reliability)
-   [Data Engineering](/incidents/categories/data-engineering)
-   07 Oct 2026

A vendor changed an SFTP filename. One cron job silently produced a zero-row file, six downstream jobs consumed it happily, and by morning three dashboards reported zero revenue. Nothing alerted, because nothing had technically failed.

[#Postmortem](/incidents/tags/postmortem)[#Cron](/incidents/tags/cron)[#SQS](/incidents/tags/sqs)+3 tags

[Read Postmortem](/incidents/post/cron-silent-zero-revenue-failure)