> There are couple of reasons why prioritization in kernel works better than at
> user level.
> * The kernel mechanisms are more efficient and scalable than the user space
> mechanism. Non compliant connection requests are discarded earlier reducing the
> queuing time of the compliant requests, in particular less CPU is consumed and
> the context switch to userspace is avoided.
Im not sure this is that true. I just added a user space implementation to
thttpd to favour one network range and close under load on others to keep
capacity there. Its a ten minute hack, and Im still seeing the same 1400
hits per second or so I was before.
Alan
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This archive was generated by hypermail 2b29 : Tue Jul 31 2001 - 21:00:34 EST