Index: web-module/src/main/java/egovframework/api/arms/devicelist/batch/DeviceListBatch.java
===================================================================
diff -u -rfdf914ee43e64db758ebff17b82063a9504d121e -rd6cfabcdbf63cc4fa4a8d0a6e732d6f11f09edd7
--- web-module/src/main/java/egovframework/api/arms/devicelist/batch/DeviceListBatch.java	(.../DeviceListBatch.java)	(revision fdf914ee43e64db758ebff17b82063a9504d121e)
+++ web-module/src/main/java/egovframework/api/arms/devicelist/batch/DeviceListBatch.java	(.../DeviceListBatch.java)	(revision d6cfabcdbf63cc4fa4a8d0a6e732d6f11f09edd7)
@@ -19,8 +19,8 @@
 @Component
 public class DeviceListBatch {
 
-    //@Scheduled(fixedDelay=10000)
-    //@Scheduled(cron="*/30 * * * * *")
+    @Scheduled(fixedDelay=60000*5, initialDelay =10000)
+    //@Scheduled(cron="0 0/5 * * * ?")
     public void getInfoFromELK() throws Exception {
         HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
         factory.setReadTimeout(5000); // 읽기시간초과, ms
Index: web-module/src/main/java/egovframework/api/arms/devicelist/service/DeviceListService.java
===================================================================
diff -u -rfdf914ee43e64db758ebff17b82063a9504d121e -rd6cfabcdbf63cc4fa4a8d0a6e732d6f11f09edd7
--- web-module/src/main/java/egovframework/api/arms/devicelist/service/DeviceListService.java	(.../DeviceListService.java)	(revision fdf914ee43e64db758ebff17b82063a9504d121e)
+++ web-module/src/main/java/egovframework/api/arms/devicelist/service/DeviceListService.java	(.../DeviceListService.java)	(revision d6cfabcdbf63cc4fa4a8d0a6e732d6f11f09edd7)
@@ -3,9 +3,20 @@
 import egovframework.api.arms.devicelist.vo.DeviceListDTO;
 import egovframework.com.ext.jstree.springHibernate.core.service.JsTreeHibernateService;
 
+import java.util.HashSet;
+
 /**
  * Created by Administrator on 2020-11-08.
  */
 public interface DeviceListService extends JsTreeHibernateService {
 
+    //database jstree method 를 활용하여 full list를 얻어온다. -> 디비에 등록된 host full list
+    //elasticsearch api 를 활용해서 full list 를 얻어온다. -> ELK에 등록된 host full list
+    //차집합을 통해 디비에 등록할 리스트를 추린다.
+    //추려진 데이터를 jstree method api를 통해 업데이트 한다.
+
+    public HashSet<DeviceListDTO> getDeviceListsFromJstree () throws Exception;
+    public HashSet<DeviceListDTO> getDeviceListsFromELK () throws Exception;
+    public HashSet<DeviceListDTO> getDeviceListDifferrence (HashSet<DeviceListDTO> jstreeDeviceList, HashSet<DeviceListDTO> elkDeviceLists) throws Exception;
+    public Integer updateDeviceListToJstree (HashSet<DeviceListDTO> updateTargets) throws Exception;
 }
Index: web-module/src/main/java/egovframework/api/arms/devicelist/service/DeviceListServiceImpl.java
===================================================================
diff -u -rfdf914ee43e64db758ebff17b82063a9504d121e -rd6cfabcdbf63cc4fa4a8d0a6e732d6f11f09edd7
--- web-module/src/main/java/egovframework/api/arms/devicelist/service/DeviceListServiceImpl.java	(.../DeviceListServiceImpl.java)	(revision fdf914ee43e64db758ebff17b82063a9504d121e)
+++ web-module/src/main/java/egovframework/api/arms/devicelist/service/DeviceListServiceImpl.java	(.../DeviceListServiceImpl.java)	(revision d6cfabcdbf63cc4fa4a8d0a6e732d6f11f09edd7)
@@ -6,6 +6,8 @@
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
+import java.util.HashSet;
+
 /**
  * Created by Administrator on 2020-11-08.
  */
@@ -14,4 +16,23 @@
 
     private final Logger logger = LoggerFactory.getLogger(this.getClass());
 
+    @Override
+    public HashSet<DeviceListDTO> getDeviceListsFromJstree() throws Exception {
+        return null;
+    }
+
+    @Override
+    public HashSet<DeviceListDTO> getDeviceListsFromELK() throws Exception {
+        return null;
+    }
+
+    @Override
+    public HashSet<DeviceListDTO> getDeviceListDifferrence(HashSet<DeviceListDTO> jstreeDeviceList, HashSet<DeviceListDTO> elkDeviceLists) throws Exception {
+        return null;
+    }
+
+    @Override
+    public Integer updateDeviceListToJstree(HashSet<DeviceListDTO> updateTargets) throws Exception {
+        return null;
+    }
 }