Method getBackoffDelay

client-sdks/client-js/src/resources/base.ts:242–248

* 计算退避延迟 * 使用指数退避算法

(attempt: number)

   * 使用指数退避算法
   */
  private getBackoffDelay(attempt: number): number {
    const { backoffMultiplier, maxBackoffTime } = this.options.retry!;
    const delay = Math.min(1000 * Math.pow(backoffMultiplier!, attempt), maxBackoffTime!);
    // 添加随机抖动（±25%）
    const jitter = delay * (0.75 + Math.random() * 0.5);
    return Math.floor(jitter);
  }

  /**
   * 延迟函数