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Round-bounded Retries + Bounded Retry-Round Constant

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Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
This commit is contained in:
Alexey
2026-04-07 19:19:40 +03:00
parent ba29b66c4c
commit 4a77335ba9
7 changed files with 154 additions and 61 deletions
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7
src/proxy/middle_relay.rs
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@@ -56,6 +56,8 @@ const ME_D2C_FLUSH_BATCH_MAX_BYTES_MIN: usize = 4096;
const ME_D2C_FRAME_BUF_SHRINK_HYSTERESIS_FACTOR: usize = 2;
const ME_D2C_SINGLE_WRITE_COALESCE_MAX_BYTES: usize = 128 * 1024;
const QUOTA_RESERVE_SPIN_RETRIES: usize = 32;
const QUOTA_RESERVE_BACKOFF_MIN_MS: u64 = 1;
const QUOTA_RESERVE_BACKOFF_MAX_MS: u64 = 16;
#[derive(Default)]
pub(crate) struct DesyncDedupRotationState {
@@ -573,6 +575,7 @@ async fn reserve_user_quota_with_yield(
bytes: u64,
limit: u64,
) -> std::result::Result<u64, QuotaReserveError> {
let mut backoff_ms = QUOTA_RESERVE_BACKOFF_MIN_MS;
loop {
for _ in 0..QUOTA_RESERVE_SPIN_RETRIES {
match user_stats.quota_try_reserve(bytes, limit) {
@@ -585,6 +588,10 @@ async fn reserve_user_quota_with_yield(
}
tokio::task::yield_now().await;
tokio::time::sleep(Duration::from_millis(backoff_ms)).await;
backoff_ms = backoff_ms
.saturating_mul(2)
.min(QUOTA_RESERVE_BACKOFF_MAX_MS);
}
}