Odysseus wrote:And quite frankly the default Sabayon kernel configuration settings baffle me. They're all adjusted (as I mentioned previously) for large scale enterprise solutions. The reason these settings don't seem logical is that there isn't an admin in the world who is going to run Sabayon or Gentoo ~x86 on a production machine. Anyone whose job and reputation is on the line is going to be running a more mature stable OS. They can't afford down-time. I know I would be running the most stable system I could, if my livelihood were on the line. No one is going to be running a server farm or Beowolf cluster on Sabayon so why use kernel settings optimized for this purpose as a default?
Instead the default kernel should be geared towards "real-time" desktop usage, because this is who your users are. For example, one of the low latency preemptable schedulers and timers vs. the current default. There are many other optimizations I noticed... but you get the point.
Fitzcarraldo wrote:Could you be more specific, please? Could you list the specific kernel parameters in the SL 2.6.31-sabayon kernel config file that are set for servers as opposed to desktops? I would be interested to know which these are. I do know that the SL kernel uses the default kernel CPU scheduler, the CFS (Completely Fair Scheduler), however that is not the recommended CPU scheduler for servers (many kernel tuning guides for enterprise servers recommend the Deadline Scheduler, for example), so I would be interested to know which specific parameters in the SL kernel are server-oriented in your opinion. If you could also recommend the specific changes to the SL kernel config file to improve its performance for a modern desktop environment and a legacy desktop environment then that would also be helpful. Thanks.
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