radhakrishnanmohan Posted July 24, 2011 Posted July 24, 2011 It is a very general question. How does disabling the power management in the BIOS enhance or reduce Windows 2008 R2 performance ? I have read some AnandTech articles on Xeon P and C states but I am not sure how disabling this on a 2P 4C system would somehow enhance the OS's performance thereby enhancing the application software performance. I would gladly read up on any references. Thanks. Quote
Forum² Admin F2 Staff Posted July 24, 2011 Forum² Admin Posted July 24, 2011 I always disable power management as well as "green" features in the bios. I also stay away from any component which has "green" features. They are not made for servers. They throttle down power and affect performance. Of course if you run a server that has constant activity then the power saving features will never kick in so they won't hurt performance. Quote
ICTCity Posted July 24, 2011 Posted July 24, 2011 I completely agree with BSchwarz, GREEN feature is a good thing for DESKTOP computer, not for server. I have 6 servers all running XenServer 5.6, sometime the performances were poor. All the servers had almost the same load all the day, but after disabling the "green" features, I get rid of this problem. One of the most painful problem, is the speed of the drives, in a server you (should) have more than 1 disk, so disk CANNOT be spinned down to save energy, this will impact performances! Quote -------------------------------------------------------- Tu peux aussi crire en franais. Du kannst auch auf Deutsch schreiben. Puoi scrivere anche in italiano. --------------------------------------------------------
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