diff --git a/backend-java/src/main/java/com/tasteby/service/DaemonScheduler.java b/backend-java/src/main/java/com/tasteby/service/DaemonScheduler.java
index d8a9ac3..dad57c1 100644
--- a/backend-java/src/main/java/com/tasteby/service/DaemonScheduler.java
+++ b/backend-java/src/main/java/com/tasteby/service/DaemonScheduler.java
@@ -3,6 +3,7 @@ package com.tasteby.service;
 import com.tasteby.domain.DaemonConfig;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 
@@ -22,6 +23,9 @@ public class DaemonScheduler {
     private final PipelineService pipelineService;
     private final CacheService cacheService;
 
+    @Value("${app.daemon.enabled:true}")
+    private boolean instanceEnabled;
+
     public DaemonScheduler(DaemonConfigService daemonConfigService,
                             YouTubeService youTubeService,
                             PipelineService pipelineService,
@@ -34,6 +38,10 @@ public class DaemonScheduler {
 
     @Scheduled(fixedDelay = 30_000) // Check every 30 seconds
     public void run() {
+        // 인스턴스 차원 차단(dev/prod 동일 DB 공유 환경에서 dev 쪽 동시 폴링 방지).
+        // dev .env: DAEMON_ENABLED=false → 이 인스턴스는 스케줄러 동작 안 함.
+        // prod: 미설정 → 기본 true.
+        if (!instanceEnabled) return;
         try {
             var config = getConfig();
             if (config == null) return;
diff --git a/backend-java/src/main/resources/application.yml b/backend-java/src/main/resources/application.yml
index 1084fd9..01d5d38 100644
--- a/backend-java/src/main/resources/application.yml
+++ b/backend-java/src/main/resources/application.yml
@@ -59,6 +59,11 @@ app:
   cache:
     ttl-seconds: 600
 
+  daemon:
+    # 인스턴스 차원 스케줄러 활성화. dev/prod가 같은 DB를 공유하므로
+    # dev .env에 DAEMON_ENABLED=false를 설정해 dev 폴링을 끄고 prod만 동작시킨다.
+    enabled: ${DAEMON_ENABLED:true}
+
 mybatis:
   mapper-locations: classpath:mybatis/mapper/*.xml
   config-location: classpath:mybatis/mybatis-config.xml