35 lines
1.5 KiB
Rust
35 lines
1.5 KiB
Rust
//! Definitions related to Solana over QUIC.
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use std::time::Duration;
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pub const QUIC_PORT_OFFSET: u16 = 6;
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// Empirically found max number of concurrent streams
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// that seems to maximize TPS on GCE (higher values don't seem to
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// give significant improvement or seem to impact stability)
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pub const QUIC_MAX_UNSTAKED_CONCURRENT_STREAMS: usize = 128;
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pub const QUIC_MIN_STAKED_CONCURRENT_STREAMS: usize = 128;
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pub const QUIC_TOTAL_STAKED_CONCURRENT_STREAMS: usize = 100_000;
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// Set the maximum concurrent stream numbers to avoid excessive streams
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pub const QUIC_MAX_STAKED_CONCURRENT_STREAMS: usize = 2048;
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pub const QUIC_MAX_TIMEOUT: Duration = Duration::from_secs(2);
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pub const QUIC_KEEP_ALIVE: Duration = Duration::from_secs(1);
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// Based on commonly-used handshake timeouts for various TCP
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// applications. Different applications vary, but most seem to
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// be in the 30-60 second range
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pub const QUIC_CONNECTION_HANDSHAKE_TIMEOUT: Duration = Duration::from_secs(60);
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/// The receive window for QUIC connection from unstaked nodes is
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/// set to this ratio times [`solana_sdk::packet::PACKET_DATA_SIZE`]
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pub const QUIC_UNSTAKED_RECEIVE_WINDOW_RATIO: u64 = 1;
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/// The receive window for QUIC connection from minimum staked nodes is
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/// set to this ratio times [`solana_sdk::packet::PACKET_DATA_SIZE`]
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pub const QUIC_MIN_STAKED_RECEIVE_WINDOW_RATIO: u64 = 2;
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/// The receive window for QUIC connection from maximum staked nodes is
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/// set to this ratio times [`solana_sdk::packet::PACKET_DATA_SIZE`]
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pub const QUIC_MAX_STAKED_RECEIVE_WINDOW_RATIO: u64 = 10;
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