Thread (50 messages) 50 messages, 11 authors, 2008-02-03

Re: [PATCH] Disable TSO for non standard qdiscs

From: Jarek Poplawski <hidden>
Date: 2008-01-31 20:30:24

Andi Kleen wrote, On 01/31/2008 08:34 PM:
quoted
TSO by nature is bursty.  But disabling TSO without the option of having
it on or off to me seems to aggressive.  If someone is using a qdisc
that TSO is interfering with the effectiveness of the traffic shaping,
then they should turn off TSO via ethtool on the target device.  Some
The philosophical problem I have with this suggestion is that I expect
that the large majority of users will be more happy with disabled TSO
if they use non standard qdiscs and defaults that do not fit 
the majority use case are bad.

If you mean the large majority of the large minority of users, who use
non standard qdiscs - I agree - this is really the philosophical problem!

 
Basically you're suggesting that nearly everyone using tc should learn about
another obscure command.
...So, it sounds like tc is used by nearly everyone now...

It seems my distro really isn't up to date:

"Package: iproute
 ...
 Description: Professional tools to control the networking in Linux kernels
 This is `iproute', the professional set of tools to control the
 networking behavior in kernels 2.2.x and later."

And ethtool doesn't have to be learnt at all: "most friendly distros"
could use this in config or add some graphical wrapper.

Regards,
Jarek P.
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