histogram.ewmaErrorRate

• 类型：<number>

记录值超过配置的 threshold 的 EWMA 平滑概率。仅在使用 halfLife 和 threshold 选项创建直方图时才会启用。如果未启用或未记录任何值，则返回 0。

🌐 The EWMA-smoothed probability of a recorded value exceeding the configured threshold. Only active when the histogram was created with both halfLife and threshold options. Returns 0 when not enabled or no values have been recorded.