diff --git a/src/components/report/AlertPanel.tsx b/src/components/report/AlertPanel.tsx
index 5c3339c..5867319 100644
--- a/src/components/report/AlertPanel.tsx
+++ b/src/components/report/AlertPanel.tsx
@@ -35,9 +35,9 @@ function generateAlerts(instances: MetricInstance[], type: string): Alert[] {
         });
       });
     } else if (type === 'memory') {
-      if (inst.stats.max > 85) {
+      if (inst.stats.max > 80) {
         alerts.push({
-          level: inst.stats.max > 95 ? 'critical' : 'warning',
+          level: inst.stats.max > 90 ? 'critical' : 'warning',
           instance: inst.instance,
           message: `최대 ${formatPercent(inst.stats.max)} 도달`,
         });
diff --git a/src/lib/analytics.ts b/src/lib/analytics.ts
index 6ed6054..35cde3c 100644
--- a/src/lib/analytics.ts
+++ b/src/lib/analytics.ts
@@ -33,7 +33,7 @@ export function calculateStats(dataPoints: DataPoint[]): Stats {
 
 export function detectPeaks(
   dataPoints: DataPoint[],
-  threshold: number = 2
+  threshold: number = 5
 ): { points: (DataPoint & { zScore: number; isPeak: boolean })[]; peaks: PeakInfo[] } {
   const values = dataPoints.map((d) => d.value);
   const mean = values.reduce((a, b) => a + b, 0) / values.length;