List Archive: gentoo-performance
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Miguel Sousa Filipe wrote:
> On Fri, Jun 6, 2008 at 6:26 PM, Kevin Faulkner <kevlar.kernel@...> wrote:
>> Miguel Sousa Filipe wrote:
>>> There is no such thing has a TCP timestamp:
>>> so, that doesn't make any sense...
>> Your right and I'm wrong.
>> Its not in the header, its thrown on at the end....
> ...at the end of the tcp header, it's a tcp option. (I didn't
> understood that the first time I read this email).
> It might be good to disable all tcp optional headers..
> Also there might be important to look at issues such has:
> - mtu size
> - tcp window
> - set the don't fragment flag (this can offload the routers and
> optimize the mtu for the whole connection path)
> - use the BIC algorithm (from what I've read, that's my default choice
> nowadays... but for some specific workload there might be better
I haven't played around with different congestion algorithms all that
much, I generally have stuck with Westwood. MTU size... with all the
different machines we have, I prefer to stay with the default. Window
size is a good point.
>> try doing
>> cat /proc/sys/net/ipv4/tcp_timestamps
> kind regards!
sorry if I seemed rude. heh, text can come across like that sometimes.
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