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linux: enable net.ipv4.tcp_no_metrics_save
Signed-off-by: Stephan Raue <stephan@openelec.tv>
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What's the reason for this?
"By default, TCP saves various connection metrics in the route cache when the connection closes, so that connections established in the near future can use these to set initial conditions. Usually, this increases overall performance, but may sometimes cause performance degradation. If set, TCP will not cache metrics on closing connections."