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From: "Toke Høiland-Jørgensen" <notifications@github.com>
To: tohojo/flent <flent@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Subject: Re: [Flent-users] [tohojo/flent] Adding netperf send size params (-m/-M) (#195)
Date: Thu, 06 Feb 2020 07:30:12 -0800	[thread overview]
Message-ID: <tohojo/flent/issues/195/582959606@github.com> (raw)
In-Reply-To: <tohojo/flent/issues/195@github.com>


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Pete Heist <notifications@github.com> writes:

> Sent a pull request but only for setting it globally for TCP so far,
> as setting it per-flow and for the UDP packet size was more than I
> bargained for. :)

No worries, I can add that while merging :)

> The reason I'm probably seeing this more than most people is because I
> have non-default settings for `net.ipv4.tcp_wmem` for doing tests on
> high BDPs. Being able to set this send size as a test parameter would
> be useful, because when I do lower and higher bandwidth tests in the
> same batch, a setting that works well at low bandwidths may be too
> expensive at higher bandwidths. Also why it would be nice if this
> "just worked" in netperf.

Yeah, netperf auto-tuning would be better, of course. But guess we can't
have it all...

> I'll also be trying plots with delivery rate instead, since that comes
> from the kernel, so I may add some more plots to flent with that in
> it.

Sure, go right ahead!

-Toke


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      parent reply	other threads:[~2020-02-06 15:31 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <tohojo/flent/issues/195@github.com>
2020-02-06 12:38 ` Toke Høiland-Jørgensen
2020-02-06 13:14 ` Toke Høiland-Jørgensen
2020-02-06 15:30 ` Toke Høiland-Jørgensen [this message]

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