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While we're on the subject of benchmarking, has anyone run in to a problem on OS X (Leopard) where you seem to run out of ports, and the benchmark stalls at almost exactly 16,384 (2^16) requests?

The benchmark eventually resumes 10-30 seconds later. It seems OS X can't free up closed ports fast enough.

I've tried this with numerous HTTP servers (including Apache) and both ApacheBench and Siege, so it seems like it's an OS problem.

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