diff --git a/WebContent/WEB-INF/properties/env.P.properties b/WebContent/WEB-INF/properties/env.P.properties
index 403bf5d..d4b10f6 100644
--- a/WebContent/WEB-INF/properties/env.P.properties
+++ b/WebContent/WEB-INF/properties/env.P.properties
@@ -4,18 +4,11 @@
 # - oracle10g     : org.hibernate.dialect.Oracle10gDialect
 # - MySQL8       : org.hibernate.dialect.MySQL8Dialect
 # - MariaDB 10.3 : org.hibernate.dialect.MariaDB103Dialect
-hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
+#hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
+hibernate.dialect=org.hibernate.dialect.Oracle12cDialect
 
 # eLink default functions
-# set System property in real system
-#inst.Name=${HOSTNAME}
-inst.Name=elinkSvr11
-eai.jdbc.Name=APIGW_APP_NXA
-eai.rmiport=10211
-eai.rmiserviceport=10212
-eai.systemmode=D
-# EAI FEP MCI GW ...
+
 eai.systemtype=API
-eai.tableowner=apigw
 eai.server.extractor=[0,2],[0,2],[-2]
 
diff --git a/src/main/java/com/eactive/eai/custom/statistics/collector/HourStatsAggregator.java b/src/main/java/com/eactive/eai/custom/statistics/collector/HourStatsAggregator.java
index 3e8afed..46db817 100644
--- a/src/main/java/com/eactive/eai/custom/statistics/collector/HourStatsAggregator.java
+++ b/src/main/java/com/eactive/eai/custom/statistics/collector/HourStatsAggregator.java
@@ -152,12 +152,12 @@ public class HourStatsAggregator {
 	 * @return 백분위 응답시간 (ms)
 	 */
 	private long calculatePercentile(double percentile) {
-		long total = totalCnt.get();
-		if (total == 0) {
+		long avgCount = getAvgCount();
+		if (avgCount == 0) {
 			return 0;
 		}
 
-		long targetCount = (long) Math.ceil(total * percentile / 100.0);
+		long targetCount = (long) Math.ceil(avgCount * percentile / 100.0);
 		long accumulated = 0;
 
 		for (int i = 0; i < respTimeBuckets.length; i++) {
@@ -193,7 +193,7 @@ public class HourStatsAggregator {
 		long timeout = timeoutCnt.get();
 		long systemErr = systemErrCnt.get();
 		long bizErr = bizErrCnt.get();
-		long avgCount = success + timeout + systemErr + bizErr;
+		long avgCount = getAvgCount();
 
 		stats.setTotalCnt(total);
 		stats.setSuccessCnt(success);
@@ -233,6 +233,14 @@ public class HourStatsAggregator {
 		return stats;
 	}
 
+	private long getAvgCount() {
+		long success = successCnt.get();
+		long timeout = timeoutCnt.get();
+		long systemErr = systemErrCnt.get();
+		long bizErr = bizErrCnt.get();
+		return success + timeout + systemErr + bizErr;
+	}
+
 	/**
 	 * 집계된 총 건수 반환 (빈 집계기 체크용)
 	 */
diff --git a/src/main/java/com/eactive/eai/custom/statistics/collector/MinuteStatsAggregator.java b/src/main/java/com/eactive/eai/custom/statistics/collector/MinuteStatsAggregator.java
index 4a5c1cb..d5c59b5 100644
--- a/src/main/java/com/eactive/eai/custom/statistics/collector/MinuteStatsAggregator.java
+++ b/src/main/java/com/eactive/eai/custom/statistics/collector/MinuteStatsAggregator.java
@@ -152,12 +152,12 @@ public class MinuteStatsAggregator {
 	 * @return 백분위 응답시간 (ms)
 	 */
 	private long calculatePercentile(double percentile) {
-		long total = totalCnt.get();
-		if (total == 0) {
+		long avgCount = getAvgCount();
+		if (avgCount == 0) {
 			return 0;
 		}
 
-		long targetCount = (long) Math.ceil(total * percentile / 100.0);
+		long targetCount = (long) Math.ceil(avgCount * percentile / 100.0);
 		long accumulated = 0;
 
 		for (int i = 0; i < respTimeBuckets.length; i++) {
@@ -239,4 +239,12 @@ public class MinuteStatsAggregator {
 	public long getTotalCount() {
 		return totalCnt.get();
 	}
+	
+	private long getAvgCount() {
+		long success = successCnt.get();
+		long timeout = timeoutCnt.get();
+		long systemErr = systemErrCnt.get();
+		long bizErr = bizErrCnt.get();
+		return success + timeout + systemErr + bizErr;
+	}
 }