Re: > 15,000 Simultaneous Connections

John Gardiner Myers (jgmyers@netscape.com)
Fri, 10 Sep 1999 14:53:10 -0700


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Alan Cox wrote:
> And if they are all busy at the same time by chance.. 20K is assuming mostly
> idle as a worst case

And if every processes wrote to every addressable copy-on-write and
zero-fill page by chance...

The kernel overcommits resources such as memory and swap all the time.

If the kernel runs out of memory for incoming TCP data, it can simply
start dropping incoming packets which have data.
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