From: Stefano Brivio <sbrivio@redhat.com>
To: Yumei Huang <yuhuang@redhat.com>
Cc: passt-dev@passt.top, david@gibson.dropbear.id.au
Subject: Re: [PATCH v3] udp: Split activity timeouts for UDP flows
Date: Sun, 15 Feb 2026 11:57:09 +0100 (CET) [thread overview]
Message-ID: <20260215115708.161f10f6@elisabeth> (raw)
In-Reply-To: <20260214073136.45022-1-yuhuang@redhat.com>
On Sat, 14 Feb 2026 15:31:36 +0800
Yumei Huang <yuhuang@redhat.com> wrote:
> Frequent DNS queries over UDP from a container or guest can result
> in many sockets shown in ss(8), typically one per flow. This is
> expected and harmless, but it can make the output of ss(8) look
> noisy and potentially concern users.
>
> This patch splits UDP flow timeouts into two, mirroring the Linux
> kernel, and sources the values from kernel parameters. The shorter
> timeout is applied to unidirectional flows and minimal bidirectional
> exchanges (single datagram and reply), while the longer timeout is
> used for bidirectional flows with multiple datagrams on either side.
>
> Link: https://bugs.passt.top/show_bug.cgi?id=197
> Suggested-by: Stefano Brivio <sbrivio@redhat.com>
> Signed-off-by: Yumei Huang <yuhuang@redhat.com>
Applied. The AppArmor policy changes work as expected, too.
--
Stefano
prev parent reply other threads:[~2026-02-15 10:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-14 7:31 Yumei Huang
2026-02-15 10:57 ` Stefano Brivio [this message]
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