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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3485100.RiP6AQCKWQ@x220 \
--to=thomas.monjalon-pdr9zngts4eavxtiumwx3w@public.gmane.org \
--cc=dev-VfR2kkLFssw@public.gmane.org \
--cc=xingbow-vV1OtcyAfmbQT0dZR+AlfA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.