From: Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: "Wang, Shawn" <xingbow-vV1OtcyAfmbQT0dZR+AlfA@public.gmane.org>
Cc: dev-VfR2kkLFssw@public.gmane.org
Subject: Re: Surprisingly high TCP ACK packets drop counter
Date: Fri, 01 Nov 2013 16:14:40 +0100 [thread overview]
Message-ID: <3485100.RiP6AQCKWQ@x220> (raw)
In-Reply-To: <CE990D16.3B335%xingbow-vV1OtcyAfmbQT0dZR+AlfA@public.gmane.org>
Hello,
01/11/2013 14:54, Wang, Shawn :
> We had the same problem before. It turned out that RSC (receive side
> coalescing) is enabled by default in DPDK. So we write this naïve patch to
> disable it. This patch is based on DPDK 1.3. Not sure 1.5 has changed it
> or not.
> After this patch, ACK rate should go back to 14.5Mpps. For details, you
> can refer to Intel® 82599 10 GbE Controller Datasheet. (7.11 Receive Side
> Coalescing).
Please, could you resend this patch with a properly formatted commit log,
in order to review it for integration ?
Thank you
--
Thomas
next prev parent reply other threads:[~2013-11-01 15:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-01 13:43 Surprisingly high TCP ACK packets drop counter Alexander Belyakov
[not found] ` <CAAQJX_SWNBvBDTz3o_7Wo17-redr3Sygwq4pxBMTk3oYTwFhRQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-01 14:54 ` Wang, Shawn
[not found] ` <CE990D16.3B335%xingbow-vV1OtcyAfmbQT0dZR+AlfA@public.gmane.org>
2013-11-01 15:14 ` Thomas Monjalon [this message]
2013-11-02 5:32 ` Prashant Upadhyaya
2013-11-03 20:20 ` Alexander Belyakov
[not found] ` <CAAQJX_SL0UHzLDzsN-vRn449Cwyu0fphfyYZyovjfcKmWLJDKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-04 3:06 ` Prashant Upadhyaya
[not found] ` <C7CE7EEF248E2B48BBA63D0ABEEE700C45DF9E3F02-2zbAqoMm/rLQX//ci7WS+53eMK7GYZcrXYFosVITYPE@public.gmane.org>
2013-11-05 9:29 ` Alexander Belyakov
[not found] ` <CAAQJX_SAUYaNbXrsLaTTaBfR_Mtr5A4ZDwskDNMXEd3SsKx6fA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-05 10:10 ` Olivier MATZ
[not found] ` <5278C412.4000204-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2013-11-05 11:59 ` Alexander Belyakov
[not found] ` <CAAQJX_Q9cOsKspauRMC9aJwAR+o3FhztxsiT4cdBtandJLsE9Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-05 14:40 ` Prashant Upadhyaya
[not found] ` <C7CE7EEF248E2B48BBA63D0ABEEE700C45DF9E40F4-2zbAqoMm/rLQX//ci7WS+53eMK7GYZcrXYFosVITYPE@public.gmane.org>
2013-11-05 17:03 ` Wang, Shawn
2013-11-06 8:42 ` Alexander Belyakov
2013-11-02 5:29 ` Prashant Upadhyaya
[not found] ` <C7CE7EEF248E2B48BBA63D0ABEEE700C45DF9E3ECB-2zbAqoMm/rLQX//ci7WS+53eMK7GYZcrXYFosVITYPE@public.gmane.org>
2013-11-03 20:32 ` Alexander Belyakov
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