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Limit the maximum staked streams to avoid excessive streams from staked nodes (#27973) 

* Limit the maximum staked streams to avoid excessive streams from staked nodes.

* Fixed a clippy issue
This commit is contained in:
Lijun Wang 2022-11-15 12:58:10 -08:00 committed by GitHub
parent 42cc76e33d
commit ad24e37cc0
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 7 deletions
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3
sdk/src/quic.rs
View File

@ -7,6 +7,9 @@ pub const QUIC_MIN_STAKED_CONCURRENT_STREAMS: usize = 128;
pub const QUIC_TOTAL_STAKED_CONCURRENT_STREAMS: usize = 100_000;
// Set the maximum concurrent stream numbers to avoid excessive streams
pub const QUIC_MAX_STAKED_CONCURRENT_STREAMS: usize = 2048;
pub const QUIC_MAX_TIMEOUT_MS: u32 = 2_000;
pub const QUIC_KEEP_ALIVE_MS: u64 = 1_000;

18
streamer/src/nonblocking/quic.rs
View File

@ -19,10 +19,10 @@ use {
packet::{Packet, PACKET_DATA_SIZE},
pubkey::Pubkey,
quic::{
QUIC_CONNECTION_HANDSHAKE_TIMEOUT_MS, QUIC_MAX_STAKED_RECEIVE_WINDOW_RATIO,
QUIC_MAX_UNSTAKED_CONCURRENT_STREAMS, QUIC_MIN_STAKED_CONCURRENT_STREAMS,
QUIC_MIN_STAKED_RECEIVE_WINDOW_RATIO, QUIC_TOTAL_STAKED_CONCURRENT_STREAMS,
QUIC_UNSTAKED_RECEIVE_WINDOW_RATIO,
QUIC_CONNECTION_HANDSHAKE_TIMEOUT_MS, QUIC_MAX_STAKED_CONCURRENT_STREAMS,
QUIC_MAX_STAKED_RECEIVE_WINDOW_RATIO, QUIC_MAX_UNSTAKED_CONCURRENT_STREAMS,
QUIC_MIN_STAKED_CONCURRENT_STREAMS, QUIC_MIN_STAKED_RECEIVE_WINDOW_RATIO,
QUIC_TOTAL_STAKED_CONCURRENT_STREAMS, QUIC_UNSTAKED_RECEIVE_WINDOW_RATIO,
},
signature::Keypair,
timing,
@ -205,8 +205,12 @@ pub fn compute_max_allowed_uni_streams(
- QUIC_MIN_STAKED_CONCURRENT_STREAMS)
as f64;
((peer_stake as f64 / total_stake as f64) * delta) as usize
+ QUIC_MIN_STAKED_CONCURRENT_STREAMS
(((peer_stake as f64 / total_stake as f64) * delta) as usize
+ QUIC_MIN_STAKED_CONCURRENT_STREAMS)
.clamp(
QUIC_MIN_STAKED_CONCURRENT_STREAMS,
QUIC_MAX_STAKED_CONCURRENT_STREAMS,
)
}
}
_ => QUIC_MAX_UNSTAKED_CONCURRENT_STREAMS,
@ -1636,7 +1640,7 @@ pub mod test {
(QUIC_TOTAL_STAKED_CONCURRENT_STREAMS - QUIC_MIN_STAKED_CONCURRENT_STREAMS) as f64;
assert_eq!(
compute_max_allowed_uni_streams(ConnectionPeerType::Staked, 1000, 10000),
(delta / (10_f64)) as usize + QUIC_MIN_STAKED_CONCURRENT_STREAMS
QUIC_MAX_STAKED_CONCURRENT_STREAMS,
);
assert_eq!(
compute_max_allowed_uni_streams(ConnectionPeerType::Staked, 100, 10000),