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Investing - Theory, News & General • Amazon Web Service (AWS) outage impacting Vanguard website - some features unavailable

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Ars Technica has an explanation of how this occurred.

https://arstechnica.com/gadgets/2025/10 ... -millions/

Short form: it's always DNS.
Even more basic, it was an uncontrolled race condition between multiple processes sharing the same data tables. This is computer science 101, sophomore operating systems stuff. This never should have been allowed to happen. I wonder if an AI wrote the code.

Statistics: Posted by Franz — Sat Oct 25, 2025 8:54 pm — Replies 25 — Views 3391



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