diff --git a/src/main/java/zipdabang/server/converter/RecipeConverter.java b/src/main/java/zipdabang/server/converter/RecipeConverter.java
index c60f4fb..3449456 100644
--- a/src/main/java/zipdabang/server/converter/RecipeConverter.java
+++ b/src/main/java/zipdabang/server/converter/RecipeConverter.java
@@ -747,7 +747,7 @@ public static TestRecipe toTestRecipe(RecipeRequestDto.CreateRecipeDto request,
     }
 
     public static List<TestRecipeCategoryMapping> toTestRecipeCategory(List<Long> categoryIds, TestRecipe recipe) {
-        return categoryIds.stream()
+        return categoryIds.stream().parallel()
                 .map(recipeCategoryId -> toTestRecipeCategoryMappingDto(recipeCategoryId, recipe))
                 .collect(Collectors.toList());
     }
@@ -760,7 +760,7 @@ private static TestRecipeCategoryMapping toTestRecipeCategoryMappingDto(Long cat
     }
 
     public static List<TestStep> toTestStep(RecipeRequestDto.CreateRecipeDto request, TestRecipe recipe, List<MultipartFile> stepImages) {
-        return request.getSteps().stream()
+        return request.getSteps().stream().parallel()
                 .map(step-> {
                     if (step.getDescription() == null)
                         throw new RecipeException(CommonStatus.NULL_RECIPE_ERROR);
@@ -801,7 +801,7 @@ private static TestStep toTestStepDto(RecipeRequestDto.StepDto step, TestRecipe
     }
 
     public static List<TestIngredient> toTestIngredient(RecipeRequestDto.CreateRecipeDto request, TestRecipe recipe) {
-        return request.getIngredients().stream()
+        return request.getIngredients().stream().parallel()
                 .map(ingredient -> toTestIngredientDto(ingredient, recipe))
                 .collect(Collectors.toList());
     }
diff --git a/src/main/java/zipdabang/server/service/serviceImpl/RecipeServiceImpl.java b/src/main/java/zipdabang/server/service/serviceImpl/RecipeServiceImpl.java
index 26f6891..bf737aa 100644
--- a/src/main/java/zipdabang/server/service/serviceImpl/RecipeServiceImpl.java
+++ b/src/main/java/zipdabang/server/service/serviceImpl/RecipeServiceImpl.java
@@ -938,7 +938,7 @@ public TestRecipe getTestRecipe(Long recipeId) {
         return findRecipe;
     }
 
-    @Transactional(readOnly = false)
+    @Transactional
     @Override
     public Page<TestRecipe> testRecipeListByCategory(Long categoryId, Integer pageIndex, String order) {
 
@@ -970,16 +970,17 @@ public Page<TestRecipe> testRecipeListByCategory(Long categoryId, Integer pageIn
     public Boolean deleteTestRecipe() {
         List<TestRecipe> findRecipes = testRecipeRepository.findAll();
 
-        List<String> thumbnailUrls = findRecipes.stream().map(recipe -> recipe.getThumbnailUrl()).collect(Collectors.toList());
-        List<String> stepUrlList = testStepRepository.findAll().stream()
+        List<String> thumbnailUrls = findRecipes.stream().parallel()
+            .map(recipe -> recipe.getThumbnailUrl()).collect(Collectors.toList());
+        List<String> stepUrlList = testStepRepository.findAll().stream().parallel()
                 .filter(steps -> steps.getImageUrl() != null)
                 .map(step -> step.getImageUrl())
                 .collect(Collectors.toList());
 
         testRecipeRepository.deleteAll();
 
-        thumbnailUrls.forEach(thumbnailUrl -> amazonS3Manager.deleteFile(RecipeConverter.toKeyName(thumbnailUrl).substring(1)));
-        stepUrlList
+        thumbnailUrls.parallelStream().forEach(thumbnailUrl -> amazonS3Manager.deleteFile(RecipeConverter.toKeyName(thumbnailUrl).substring(1)));
+        stepUrlList.parallelStream()
                 .forEach(stepUrl -> amazonS3Manager.deleteFile(RecipeConverter.toKeyName(stepUrl).substring(1)));
 
         return testRecipeRepository.count() == 0;