sysctl.d: Do not set net.ipv4.tcp_ecn #132
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Historically, negotiating ECN for outgoing connections has caused problems. systemd has tried to enable it in the past [1], but it was quickly reverted due to said problems [2]. Now, we got reports of performance issues with webservers and VMs [3]. Let's stick to the defaults with this one [1] systemd/systemd@9194727 [2] systemd/systemd#9880 [3] https://discuss.cachyos.org/t/strange-performance-using-ansible-and-maybe-other-programs/6079 Signed-off-by: Eric Naim <[email protected]>
ptr1337
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Feb 14, 2025
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Historically, negotiating ECN for outgoing connections has caused problems. systemd has tried to enable it in the past [1], but it was quickly reverted due to said problems [2]. Now, we got reports of performance issues with webservers and VMs [3]. Let's stick to the defaults with this one
[1] systemd/systemd@9194727
[2] systemd/systemd#9880
[3] https://discuss.cachyos.org/t/strange-performance-using-ansible-and-maybe-other-programs/6079