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fix: correct jitter range to ±25% and fix abort.rs doc — review findings

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asepharyana
2026-07-18 03:18:27 +07:00
parent 40524f930f
commit 9b6e51dc67
2 changed files with 6 additions and 5 deletions
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crates/zesdex-backend/src/app/util/backoff.rs
+3 -3
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@@ -13,10 +13,10 @@ use std::time::{Duration, SystemTime, UNIX_EPOCH};
pub fn backoff_seconds(attempt: u32, max_secs: u64) -> Duration {
let base_secs = (2u64).pow(attempt).min(max_secs);
let quarter = (base_secs * 250_000_000).max(100_000_000); // 25% of base, min 100ms
let offset = jitter_ns(quarter);
// ±25%: offset in [0, quarter), so result = base - quarter/2 + offset
let offset = jitter_ns(quarter * 2); // [0, 50% of base)
// ±25%: offset in [0, 2×quarter), result = base + offset - quarter
// which lies in [base - 25%, base + 25%).
let ns = base_secs * 1_000_000_000 + offset - quarter / 2;
let ns = base_secs * 1_000_000_000 + offset - quarter;
Duration::from_nanos(ns)
}