Everyone: I've been experimenting with using device polling on a router with six Ethernet interfaces that handles lots of traffic. I turned polling on, and set HZ=4000 to minimize latency and ensure that enough time was allocated to handle all of the incoming packets. But the sysctl variable kernel.polling.lost_polls keeps incrementing! The documentation of this variable isn't very good, so I am not sure what this means. Does it mean that I should set kern.hz lower (perhaps to 2000) and kern.polling.burst_max higher? Or that running the interfaces in interrupt-driven mode would be more effective? How can I tell? (Feel free to ask for more information about the hardware or kernel config if it would help you to provide a good answer.)
--Brett Glass _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"