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We finally know what caused the global tech outage - and how much it cost (www.cnn.com)

submitted 1 month ago by WhatsHerBucket@lemmy.world to c/technology@lemmy.world

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[–] cheddar@programming.dev 2 points 1 month ago (1 children)

The company routinely tests its software updates before pushing them out to customers, CrowdStrike said in the report. But on July 19, a bug in CrowdStrike’s cloud-based testing system — specifically, the part that runs validation checks on new updates prior to release — ended up allowing the software to be pushed out “despite containing problematic content data.”

It is time to write tests for tests!

[–] Passerby6497@lemmy.world 1 points 1 month ago

My thoughts are to have a set of machines that have to run the update for a while, and if any single machine doesn't pass and all allow it to move forward, it halts any further rollout.