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scale rate limit dripRate with factor

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Hazelnoot 2025-07-06 20:25:05 -04:00 • committed by dakkar
parent 51ad31b5a4
commit 9ac58e6107
3 changed files with 28 additions and 12 deletions
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2
packages/backend/src/server/SkRateLimiterService.md
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@ -81,7 +81,7 @@ The Atomic Leaky Bucket algorithm is described here, in pseudocode:
# * Delta Timestamp - Difference between current and expected timestamp value
# 0 - Calculations
dripRate = ceil(limit.dripRate ?? 1000);
dripRate = ceil((limit.dripRate ?? 1000) * factor);
dripSize = ceil(limit.dripSize ?? 1);
bucketSize = max(ceil(limit.size / factor), 1);
maxExpiration = max(ceil((dripRate * ceil(bucketSize / dripSize)) / 1000), 1);;

2
packages/backend/src/server/SkRateLimiterService.ts
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@ -206,7 +206,7 @@ export class SkRateLimiterService {
// 0 - Calculate
const now = this.timeService.now;
const bucketSize = Math.max(Math.ceil(limit.size / factor), 1);
const dripRate = Math.ceil(limit.dripRate ?? 1000);
const dripRate = Math.ceil((limit.dripRate ?? 1000) * factor);
const dripSize = Math.ceil(limit.dripSize ?? 1);
const fullResetMs = dripRate * Math.ceil(bucketSize / dripSize);
const fullResetSec = Math.max(Math.ceil(fullResetMs / 1000), 1);