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Slack Engineering

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All Hands on Deck

All Hands on Deck

@Ryan Katkov
What does Slack do when Slack goes down?
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A Terrible, Horrible, No-Good, Very Bad Day at Slack

A Terrible, Horrible, No-Good, Very Bad Day at Slack

@Laura Nolan
On May 12, 2020, Slack had our first significant outage in a long time. This is a detailed look into the technical issues that caused it.
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The App Sandbox

The App Sandbox

@Charlie Hess
What is the "app sandbox," what is it protecting against, and why does it matter?
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