Re: 2.6.17 regression: Very slow net transfer from some hosts

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John Heffner wrote:
tcp_wmem: 4096    16384   131072
tcp_rmem: 4096    87380   174760
tcp_mem: 98304   131072  196608

These are (I assume) with the patch reversed. What are the values with the patch applied?

Yes- that was on a good kernel, with the patch reversed.

On a bad kernel, with the patch applied (2.6.16-git16):

tcp_wmem: 4096    16384   4194304
tcp_rmem: 4096    87380   4194304
tcp_mem: 98304   131072  196608

They seem to be identical, which makes sense, since most websites work just fine.

I am sending tcpdump's privately to you and Stephen. If anyone else wants to see them, just ask.

Daniel
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