nginx is another interesting HTTP server -- on their website they claim 10,000 inactive HTTP keep-alive connections consume only 2.5M. From the LKML thread though it sounds like the real limitation is 32-bit with 8K stack. If you go 64-bit a lot of the limitations will be eased (at least in terms of max threads).
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nginx.net/This sounds like the ideal time to bring up ideas of making a test program
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