Tests show how much Meltdown fixes will hit Linux system performance

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BetaNews - https://betanews.com/2018/02/12/meltdown-patch-linux-performance/

Now that the initial shock about the Spectre and Meltdown chip vulnerabilities has died down, the focus is very much on getting the problems sorted. As has been noted already, there has been concern about the impact on performance that the bug fixes will bring. Intel has been eager to downplay any suggestion of major slowdown, but the exact performance hit will vary from system to system depending on the tasks being performed. Brendan Gregg — a Netflix engineer whose work involves large scale cloud computing performance — has conducted some test into the impact patches will have on Linux…

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