Hmmm very interesting.

My understanding was that in 10.5, all these kernel parameters for network buffers and so forth were auto-adjusting - auto-tuned on the fly - by OS X, and as a result were supposed to never need manual tuning, for anything.

However, that's only what I've come to understand, from reading vague bits and pieces here and there, and could be entirely incorrect for all I know.

Does anyone know more on this stuff?



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To my knowledge, the auto-tuning that occurs happens within a range which is defined by several of the parameters mentioned in the hint. Increasing some of the maximums will allow the auto-turning to use larger buffers than it might have otherwise.

Other options are related to how the network stack will deal with queued up packets or other forms of network congestion.

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