diff --git a/docs/RELEASE-NOTES.md b/docs/RELEASE-NOTES.md
index 096bd95..1b844b3 100644
--- a/docs/RELEASE-NOTES.md
+++ b/docs/RELEASE-NOTES.md
@@ -4,6 +4,13 @@
 
 ## [Unreleased]
 
+### 변경
+- 운영 로그 레벨 정리 — CACHE-MONITOR 루틴 로그(putAll/get) DEBUG 전환, 중요 이벤트(removeRange/simplify) INFO 유지
+- Spring Batch/HikariCP 로그 INFO→WARN 하향
+
+### 기타
+- t_vessel_tracks_daily 파티션 영구 보존 설정 추가 (기본 3개월→무한)
+
 ## [2026-03-08]
 
 ### 추가
diff --git a/src/main/java/gc/mda/signal_batch/batch/reader/FiveMinTrackCache.java b/src/main/java/gc/mda/signal_batch/batch/reader/FiveMinTrackCache.java
index 4e4a420..630b1cb 100644
--- a/src/main/java/gc/mda/signal_batch/batch/reader/FiveMinTrackCache.java
+++ b/src/main/java/gc/mda/signal_batch/batch/reader/FiveMinTrackCache.java
@@ -60,7 +60,7 @@ public class FiveMinTrackCache {
         for (VesselTrack track : tracks) {
             put(track);
         }
-        log.info("[CACHE-MONITOR] L1.putAll: input={}, cacheBefore={}, cacheAfter={}, stats=[{}]",
+        log.debug("[CACHE-MONITOR] L1.putAll: input={}, cacheBefore={}, cacheAfter={}, stats=[{}]",
                 tracks.size(), beforeSize, cache.estimatedSize(), getStats());
     }
 
@@ -89,7 +89,7 @@ public class FiveMinTrackCache {
         }
 
         int totalTracks = result.values().stream().mapToInt(List::size).sum();
-        log.info("[CACHE-MONITOR] L1.getTracksInRange [{}, {}): mmsi={}, tracks={}, cacheTotal={}",
+        log.debug("[CACHE-MONITOR] L1.getTracksInRange [{}, {}): mmsi={}, tracks={}, cacheTotal={}",
                 start, end, result.size(), totalTracks, cache.estimatedSize());
         return result;
     }
@@ -133,7 +133,7 @@ public class FiveMinTrackCache {
         }
 
         int totalTracks = result.values().stream().mapToInt(List::size).sum();
-        log.info("[CACHE-MONITOR] L1.getTracksForVessels [{}, {}): requestedMmsi={}, lookups={}, hits={}, resultMmsi={}, tracks={}",
+        log.debug("[CACHE-MONITOR] L1.getTracksForVessels [{}, {}): requestedMmsi={}, lookups={}, hits={}, resultMmsi={}, tracks={}",
                 start, end, mmsiKeys.size(), lookupCount, hitCount, result.size(), totalTracks);
         return result;
     }
diff --git a/src/main/java/gc/mda/signal_batch/batch/reader/HourlyTrackCache.java b/src/main/java/gc/mda/signal_batch/batch/reader/HourlyTrackCache.java
index 086d804..ffa0f57 100644
--- a/src/main/java/gc/mda/signal_batch/batch/reader/HourlyTrackCache.java
+++ b/src/main/java/gc/mda/signal_batch/batch/reader/HourlyTrackCache.java
@@ -64,7 +64,7 @@ public class HourlyTrackCache {
         for (VesselTrack track : tracks) {
             put(track);
         }
-        log.info("[CACHE-MONITOR] L2.putAll: input={}, cacheBefore={}, cacheAfter={}, stats=[{}]",
+        log.debug("[CACHE-MONITOR] L2.putAll: input={}, cacheBefore={}, cacheAfter={}, stats=[{}]",
                 tracks.size(), beforeSize, cache.estimatedSize(), getStats());
     }
 
@@ -92,7 +92,7 @@ public class HourlyTrackCache {
         }
 
         int totalTracks = result.values().stream().mapToInt(List::size).sum();
-        log.info("[CACHE-MONITOR] L2.getTracksInRange [{}, {}): mmsi={}, tracks={}, cacheTotal={}",
+        log.debug("[CACHE-MONITOR] L2.getTracksInRange [{}, {}): mmsi={}, tracks={}, cacheTotal={}",
                 start, end, result.size(), totalTracks, cache.estimatedSize());
         return result;
     }
@@ -133,7 +133,7 @@ public class HourlyTrackCache {
         }
 
         int totalTracks = result.values().stream().mapToInt(List::size).sum();
-        log.info("[CACHE-MONITOR] L2.getTracksForVessels [{}, {}): requestedMmsi={}, lookups={}, hits={}, resultMmsi={}, tracks={}",
+        log.debug("[CACHE-MONITOR] L2.getTracksForVessels [{}, {}): requestedMmsi={}, lookups={}, hits={}, resultMmsi={}, tracks={}",
                 start, end, mmsiKeys.size(), lookupCount, hitCount, result.size(), totalTracks);
         return result;
     }
diff --git a/src/main/java/gc/mda/signal_batch/batch/writer/CompositeTrackWriter.java b/src/main/java/gc/mda/signal_batch/batch/writer/CompositeTrackWriter.java
index c8bb679..1efeca5 100644
--- a/src/main/java/gc/mda/signal_batch/batch/writer/CompositeTrackWriter.java
+++ b/src/main/java/gc/mda/signal_batch/batch/writer/CompositeTrackWriter.java
@@ -86,7 +86,7 @@ public class CompositeTrackWriter implements ItemWriter<AbnormalDetectionResult>
                 if (hourlyTrackCache != null) {
                     long l2Before = hourlyTrackCache.size();
                     hourlyTrackCache.putAll(normalTracks);
-                    log.info("[CACHE-MONITOR] CompositeTrackWriter → L2.putAll: tracks={}, L2 before={}, after={}",
+                    log.debug("[CACHE-MONITOR] CompositeTrackWriter → L2.putAll: tracks={}, L2 before={}, after={}",
                             normalTracks.size(), l2Before, hourlyTrackCache.size());
                 }
             } else if ("daily".equals(targetTable)) {
diff --git a/src/main/resources/application-prod.yml b/src/main/resources/application-prod.yml
index 404108a..5bfc97c 100644
--- a/src/main/resources/application-prod.yml
+++ b/src/main/resources/application-prod.yml
@@ -87,19 +87,12 @@ spring:
 logging:
   level:
     root: INFO
-    gc.mda.signal_batch: DEBUG
-    gc.mda.signal_batch.global.util: INFO
-    gc.mda.signal_batch.global.websocket.service: INFO
-    gc.mda.signal_batch.batch.writer: INFO
-    gc.mda.signal_batch.batch.reader: INFO
-    gc.mda.signal_batch.batch.processor: INFO
-    gc.mda.signal_batch.domain: INFO
-    gc.mda.signal_batch.monitoring: DEBUG
-    gc.mda.signal_batch.monitoring.controller: INFO
-    org.springframework.batch: INFO
+    gc.mda.signal_batch: INFO
+    gc.mda.signal_batch.monitoring: INFO
+    org.springframework.batch: WARN
     org.springframework.jdbc: WARN
     org.postgresql: WARN
-    com.zaxxer.hikari: INFO
+    com.zaxxer.hikari: WARN
 
 # 개발 환경 배치 설정 (성능 최적화)
 vessel:  # spring 하위가 아닌 최상위 레벨
@@ -267,8 +260,10 @@ vessel:  # spring 하위가 아닌 최상위 레벨
           retention-days: 60             # 구역별 선박 항적: 60일
         t_grid_vessel_tracks:
           retention-days: 30             # 해구별 선박 항적: 30일
+        t_vessel_tracks_daily:
+          retention-months: 0            # 일별 항적: 영구 보관
         t_abnormal_tracks:
-          retention-months: 0            # 비정상 항적: 무한 보관
+          retention-months: 0            # 비정상 항적: 영구 보관
 
 # S&P AIS API 캐시 TTL (운영: 120분)
 app: