alt Hacker NewsECC protects against more events than cosmic rays. Those events are much more likely, for instance magnetic/electric interferences or chip issues.
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wang_li • yesterday at 6:59 PM
In the 2010 era of RAM density, random bit flips were really uncommon. I worked with over a thousand systems which would report ECC errors when they happen and the only memorable events at all were actual DIMM failures.
Also, around 1999-2000, Sun blamed cosmic rays for bit flips for random crashes with their UltraSPARC II CPU modules.
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Those random unexplainable events are also referred to casually as "cosmic rays"