From: Jakub Kicinski <kuba@kernel.org>
To: Michal Soltys <msoltyspl@yandex.pl>
Cc: netdev@vger.kernel.org, "Rafał Golcz" <rgl@touk.pl>,
"Piotr Przybylski" <ppr@touk.pl>
Subject: Re: [QUESTION] potential issue - unusual drops on XL710 (40gbit) cards with ksoftirqd hogging one of cpus near 100%
Date: Mon, 23 Oct 2023 09:55:45 -0700 [thread overview]
Message-ID: <20231023095545.62feadeb@kernel.org> (raw)
In-Reply-To: <e28faa37-549d-4c49-824f-1d0dfbfb9538@yandex.pl>
On Mon, 23 Oct 2023 15:59:09 +0200 Michal Soltys wrote:
> - aggressively reclaimed page cache - up to ~200 GB memory is reclaimed
> and immediately start filling up again with the data normally served by
> those servers
I'd start from figuring out why this happens.
It may very well be a change / bug in memory management.
prev parent reply other threads:[~2023-10-23 16:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-23 13:59 [QUESTION] potential issue - unusual drops on XL710 (40gbit) cards with ksoftirqd hogging one of cpus near 100% Michal Soltys
2023-10-23 16:55 ` Jakub Kicinski [this message]
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=20231023095545.62feadeb@kernel.org \
--to=kuba@kernel.org \
--cc=msoltyspl@yandex.pl \
--cc=netdev@vger.kernel.org \
--cc=ppr@touk.pl \
--cc=rgl@touk.pl \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).