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Well, wasn’t that fun? On June 8, 2021, many internet users went to their usual sites such as Amazon, Reddit, CNN, or the New York Times and found nothing but an “Error 503 service unavailable” and an ominous “connection failure” note.
They take the data from popular sites and place it in distributed caches in points of presence (PoP) close to consumers.
Then on “Early June 8, a customer pushed a valid configuration change that included the specific circumstances that triggered the bug, which caused 85% of our network to return errors.”
Fastly, as it continues to deploy its fix across its network of PoPs isn’t saying exactly what the problem was.