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 Tuning FreeBSD for Different Applications

Avleen Vig tells us how to tune FreeBSD for different applications.

"The DEVICE_POLLING option by default does not work with SMP enabled kernels. When the author of the DEVICE_POLLING code initially commited it he admits he was unsure of the benefits of the feature in a multiple-CPU environment, as only one CPU would be doing the polling. Since that time many administrators have found that there is a significant advantage to DEVICE_POLLING even in SMP enabled kernels and that it works with no problems at all. If you are compiling an SMP kernel with DEVICE_POLLING, edit the file: /usr/src/sys/kern/kern_poll.c and remove the following lines:"

 (Submitted by Noel Wed Dec 10, 2003 )


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