I've got some servers doing quite a lot of network traffic, and after reading
the article about TSO on kernel traffic
(http://www.kerneltrap.org/node.php?id=397), I wonder ... will this be
backported to 2.4? is it hard?
It isn't hard, but two issues:
1) You'll only get this with e1000 cards, and there were some
performance regression noted by some testers at IBM with
TSO enabled.
2) There are semantic issues still unresolved in the generic
TCP implementation parts, such as how to deal with the
fact that the way to get the most out of TSO is to
ignore the congestion window at connection startup. We
can only really make such a violation when talking to a
host on the local network etc. etc.
A 2.4.x backport is illadvisable until this is resolved.
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