01
Slack January 2021: When the Workday Began with a Global Collaboration Outage
Slack’s first major workday of 2021 became a global outage when network packet loss, autoscaling behavior, and a provisioning bottleneck reinforced one another.
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Collection
Tag: saas-outage
02
GitHub 2022: The Database Service Incident That Exposed Cross-Service Dependencies
GitHub’s March 2022 outages showed how one shared MySQL cluster with too little headroom could impair Git, pull requests, Actions, Packages, Codespaces, Pages, and API writes together.
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03
Salesforce 2019: The Permissions Bug That Became a Global Service Shutdown
Salesforce’s May 2019 “Permageddon” began when a database script changed permissions in Pardot-related orgs, prompting Salesforce to restrict access broadly while it reconstructed authorization state.
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