Thread (95 messages) 95 messages, 7 authors, 2004-10-01

Re: bad TSO performance in 2.6.9-rc2-BK

From: "David S. Miller" <davem@davemloft.net>
Date: 2004-09-23 23:41:49

On Fri, 24 Sep 2004 09:41:04 +1000
Herbert Xu [off-list ref] wrote:
David S. Miller [off-list ref] wrote:
quoted
That means as the window fills up, we have to see 44 ACKs
before we are able to send the next TSO frame.  Needless to
say that breaks ACK clocking completely.
Hang on a second, the same problem would occur before the congestion
changes were made, right?
Previously we counted TSO frames as single "packets" as long as
we could fit one more frame into the congestion window we'd spit
out the whole TSO frame, and this kept the pipe full.
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