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aquatic: improve comment for NetworkConfig.socket_recv_buffer_size

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Joakim Frostegård 2020-04-19 10:34:01 +02:00
parent d63d8e14f4
commit 7ba61ee6b7
1 changed files with 14 additions and 1 deletions
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15
aquatic/src/lib/config.rs
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@ -31,7 +31,20 @@ pub struct NetworkConfig {
pub max_response_peers: usize,
/// Ask peers to announce this often (seconds)
pub peer_announce_interval: i32,
/// Setting on socket. When value is zero, don't set (use OS default)
/// Size of socket recv buffer. Use 0 for OS default.
///
/// This setting can have a big impact on dropped packages. It might
/// require changing system defaults. Some examples of commands to set
/// recommended values for different operating systems:
///
/// macOS:
/// $ sudo sysctl net.inet.udp.recvspace=6000000
/// $ sudo sysctl net.inet.udp.maxdgram=500000 # Not necessary, but recommended
/// $ sudo sysctl kern.ipc.maxsockbuf=8388608 # Not necessary, but recommended
///
/// Linux:
/// $ sudo sysctl -w net.core.rmem_max=104857600
/// $ sudo sysctl -w net.core.rmem_default=104857600
pub socket_recv_buffer_size: usize,
pub poll_event_capacity: usize,
}