From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Sebastian Moeller <moeller0@gmx.de>
Cc: cake@lists.bufferbloat.net
Subject: Re: [Cake] [NetDev-People] 0x19: Talk, mq-cake: Scaling software rate limiting across CPU cores
Date: Mon, 10 Feb 2025 11:35:48 +0100 [thread overview]
Message-ID: <875xlirssb.fsf@toke.dk> (raw)
In-Reply-To: <564C0719-2569-4A8A-981D-35F9473F8AF2@gmx.de>
Sebastian Moeller <moeller0@gmx.de> writes:
> That sounds most excellent...
>
> This also means that now we need cheap router hardware with > 2 NIC
> queues and > 2 CPUs ;) (with ingress and egress shaping the current
> state is that 2 CPUs can be utilised).
Well, even if there are only 2 CPUs, the MQ version can utilise both of
those in one direction, which helps for asymmetrical traffic :)
> I wonder, does this work for IFBs as well or only for real hardware
> NIC queues?
Yup, you can specify the number of TX queues on an ifb interface when
creating it (ip link add numtxqueues 2 type ifb).
-Toke
next prev parent reply other threads:[~2025-02-10 10:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAM0EoM=bFMVMV-f2n4BNSJoqOAxqr+kcJ9kg2NLVvmw2rX-2WA@mail.gmail.com>
2025-02-10 9:30 ` [Cake] Fwd: " Toke Høiland-Jørgensen
2025-02-10 10:11 ` [Cake] " Sebastian Moeller
2025-02-10 10:35 ` Toke Høiland-Jørgensen [this message]
2025-02-10 12:06 ` Sebastian Moeller
2025-02-10 12:30 ` Toke Høiland-Jørgensen
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