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Re: FC4 possible kernel 2.6.15 issue

Dave Jones wrote:
On Wed, Mar 15, 2006 at 07:32:32PM -0800, Skunk Worx wrote:
> I've also verified the problem using the stock kernel.org releases on my > FC5T3 box. > > We might be getting closer to the issue. Right now we're trying to > decide whether or not to write a simple client/server pair of apps that > demonstrate the problem.

If you can construct a test case, the upstream developers at
netdev vger kernel org will be a better target than fedora-test-list.


Unfortunately, it's not a bug, it's a feature :

"This came up with java debugging already. The problem is when the sender writes a message in separate write() system calls, each one becomes a separate packet. In 2.6.15 we do a new thing called Appropriate Byte Count and that penalizes stupid applications, but provides better fairness over the internet by accounting for packets better."

I've sent this comment over to the "stupid application" developers at GSOAP. I guess they (and I) unreasonably expect lo to be at least as fast, or faster, than ether...


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