On 16 Mar, 2011, at 1:46 am, Dave Täht wrote: >> 1) Wired devices, where we want to push more 10+ Gbps, so we can assume >> a posted skb is transmitted immediately. Even a basic qdisc can be a >> performance bottleneck. Set TX ring size to 256 or 1024+ buffers to >> avoid taking too many interrupts. > > To talk to this a bit, the huge dynamic range discrepancy between a > 10GigE device and what it may be connected to worries me. Some form of > fair queuing should be applied before the data hits the driver.
You mean plugging a 10GigE card into a 10Base-T hub? :-D For less ridiculous topologies, the queues would mostly be in other devices. - Jonathan _______________________________________________ Bloat mailing list [email protected] https://lists.bufferbloat.net/listinfo/bloat
