netdev - Re: [PATCH v5] net: dev_weight: TX/RX orthogonality

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Date:   Mon, 13 Feb 2017 21:22:00 +0100
From:   Matthias Tafelmeier <matthias.tafelmeier@....net>
To:     David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH v5] net: dev_weight: TX/RX orthogonality


>> Oftenly, introducing side effects on packet processing on the other half
>> of the stack by adjusting one of TX/RX via sysctl is not desirable.
>> There are cases of demand for asymmetric, orthogonal configurability.
>>
>> This holds true especially for nodes where RPS for RFS usage on top is
>> configured and therefore use the 'old dev_weight'. This is quite a
>> common base configuration setup nowadays, even with NICs of superior processing
>> support (e.g. aRFS).
>>
>> A good example use case are nodes acting as noSQL data bases with a
>> large number of tiny requests and rather fewer but large packets as responses.
>> It's affordable to have large budget and rx dev_weights for the
>> requests. But as a side effect having this large a number on TX
>> processed in one run can overwhelm drivers.
>>
>> This patch therefore introduces an independent configurability via sysctl to
>> userland.
>>
>> Signed-off-by: Matthias Tafelmeier <matthias.tafelmeier@....net>
> Much better, applied, thanks.
>

Excuse me, have you rejected that one in the meantime/afterwards?
Checked in Hartman's and Linus tree and your current net. It's not applied.

Thanks!



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