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Re: Uptimes - any guidance?



In <[🔎] 20090626202304.GS28661@penguin.codegnome.org>, Todd A. Jacobs wrote:
>    - You have a lot of in-memory libraries that have been upgraded on
>      disk. It's not much slower to reboot than to change runlevels
>      after a major GNOME or KDE upgrade.

This depends a lot on your hardware.  I've had systems that went from 
hitting enter at the GRUB menu to a KDE login in 15 seconds, but took as 
least 30 seconds to go from hitting the power button to seeing the GRUB 
menu.

Multi-CPU, split-bus boards with multiple cards that load BIOS extensions 
and greatly benefit from kexec().  They take forever to get to the kernel.

>On the other hand, rebooting generally does no harm.

And, large kernel uptimes don't do any good by themselves.

>So, reboot if it
>makes you happy, but it's rarely necessary even after a major upgrade.

+1.
-- 
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