Re: Network performance degradation from 2.6.11.12 to 2.6.16.20

From: Herbert Xu
Date: Mon Jun 19 2006 - 22:10:20 EST


Harry Edmon <harry@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> That did not help. I have 1 minute outputs from tcpdump under both 2.6.11.12
> and 2.6.16.20. You will see a large size difference between the files. Since
> the 2.6.11.12 one is 2 MBytes, I thought I would post them via the web instead
> of via attachments. Look at:
>
> http://www.atmos.washington.edu/~harry/linux/2.6.11.12.out.1min
> http://www.atmos.washington.edu/~harry/linux/2.6.16.20.out.1min

The latter shows that it took 40ms to generate an ACK. What does
'vmstat 1' show while this is happneing?
--
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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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