From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, ncardwell@google.com, kuniyu@google.com,
netdev@vger.kernel.org, eric.dumazet@gmail.com
Subject: Re: [PATCH net] tcp: reduce tcp_comp_sack_slack_ns default value to 10 usec
Date: Tue, 18 Nov 2025 01:10:13 +0000 [thread overview]
Message-ID: <176342821343.3535669.11620353095531584631.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20251114135141.3810964-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 14 Nov 2025 13:51:41 +0000 you wrote:
> net.ipv4.tcp_comp_sack_slack_ns current default value is too high.
>
> When a flow has many drops (1 % or more), and small RTT, adding 100 usec
> before sending SACK stalls the sender relying on getting SACK
> fast enough to keep the pipe busy.
>
> Decrease the default to 10 usec.
>
> [...]
Here is the summary with links:
- [net] tcp: reduce tcp_comp_sack_slack_ns default value to 10 usec
https://git.kernel.org/netdev/net-next/c/ca412f25d6b2
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2025-11-18 1:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-14 13:51 [PATCH net] tcp: reduce tcp_comp_sack_slack_ns default value to 10 usec Eric Dumazet
2025-11-14 14:08 ` Eric Dumazet
2025-11-14 16:03 ` Jakub Kicinski
2025-11-14 16:17 ` Eric Dumazet
2025-11-14 19:35 ` Eric Dumazet
2025-11-15 1:43 ` Jakub Kicinski
2025-11-14 14:22 ` Neal Cardwell
2025-11-18 1:10 ` patchwork-bot+netdevbpf [this message]
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