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November 2, 2021
live kernel patching, Patch Management, persistent patching, slow linux server, temporary patching
If you’re a systems administrator responsible for thousands of servers, even a small slowdown can cause serious technical problems for your enterprise, and cost it a lot of money as well. Does live kernel patching cause them, or help solve them? Read below to find out.
Linux is the most-used operating system in enterprises that operate web servers on a large scale. Here are the things that may slow it down:
The temporary method can slow down a system, as the patches stack up on top of one another over time. The only way to resolve this problem is to reboot the system. These live patching systems employ the temporary method:
The persistent method of live patching does not slow systems down because each patch contains all cumulative fixes in a single binary. With this method, no reboot is required. A server patched this way can run 24 hours a day, seven days a week for decades.
Also, servers patched with the persistent method remain up and running even with hardware vulnerabilities that usually require reboots to patch, such as Spectre, Meltdown, and Zombieload. These live patching systems employ the persistent method:
Does live kernel patching slow systems down? When it comes to persistent live patching, the answer is no. Persistent live kernel patching keeps systems speedy, safe, and protected.
Quick solutions to performance problems present other problems for enterprises, while live, persistent kernel patching offers a global solution that resolves all these problems at once. Systems run fast, while servers stay up and running with no reboots.
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