대용량 다운로드 수정

src/main/java/com/kamco/cd/kamcoback/label/LabelAllocateApiController.java

@@ -388,8 +388,9 @@ public class LabelAllocateApiController {
     if (!labelAllocateService.isDownloadable(uuid)) {
       throw new BadRequestException();
     }
-
+    long t = System.currentTimeMillis();
     String uid = labelAllocateService.findLearnUid(uuid);
+    log.info("findLearnUid took {} ms", System.currentTimeMillis() - t);
     Path zipPath = Paths.get(responsePath).resolve(uid + ".zip");
     long size = Files.size(zipPath);
     Resource resource = new org.springframework.core.io.UrlResource(zipPath.toUri());