Cleaning up after #spectre and #meltdown: figuring out how badly they slowed down your #servers
▻https://hackernoon.com/cleaning-up-after-spectre-and-meltdown-figuring-out-how-badly-they-slowe
This article is based on my #linux Performance Monitoring and Tuning course on Pluralsight which, by coincidence, was released just before news of Spectre and Meltdown broke. Pluralsight happens to have a 1/3 off deal on right now on annual subscriptions.By now the critical stage of the Spectre and Meltdown vulnerabilities is largely over. Patches for affected operating systems have been written and, assuming you keep your servers properly updated, you should be safe.That’s the easy part. The real problem is that the patch might slow your system down — particularly if you’re running applications that interact often with the kernel. So you’ll want to know just how much of a hit you’ve taken, and what upgrades you’ll need to get you back to where you should be.My recent Pluralsight course (...)