select_related applied for item views

Author: ssamkil

core/models.py

@@ -1,7 +1,7 @@
 from django.db import models
 
 class TimeStampModel(models.Model):
-    created_at  = models.DateTimeField(auto_now_add=True)
+    created_at  = models.DateTimeField(auto_now_add=True, db_index=True)
     modified_at = models.DateTimeField(auto_now=True)
 
     class Meta:

docker-compose.yml

@@ -18,6 +18,8 @@ services:
             - .:/app
             - static_volume:/app/staticfiles
             - media_volume:/app/media
+        ports:
+            - "8089:8089"
         expose:
             - "8000"
         environment:

items/views.py

@@ -25,21 +25,15 @@ def get(self, request):
             else:
                 cache_key = f"item_list:{global_version}:total:page:{page}"
 
-            #cached_result = cache.get(cache_key)
+            cached_result = cache.get(cache_key)
 
-            #if cached_result:
-            #    return JsonResponse({'MESSAGE': 'SUCCESS (CACHE)', 'RESULT': cached_result}, status=200)
+            if cached_result:
+                return JsonResponse({'MESSAGE': 'SUCCESS (CACHE)', 'RESULT': cached_result}, status=200)
 
             if name:
-                items = Item.objects.filter(name__icontains=name).order_by('-created_at')
+                items = Item.objects.filter(name__icontains=name).select_related('category').order_by('-created_at')
             else:
-                items = Item.objects.all().order_by('-created_at')
-
-            #if name:
-            #    # select_related('category') 추가
-            #    items = Item.objects.filter(name__icontains=name).select_related('category').order_by('-created_at')
-            #else:
-            #    items = Item.objects.all().select_related('category').order_by('-created_at')
+                items = Item.objects.all().select_related('category').order_by('-created_at')
 
             paginator = Paginator(items, 20)
             items_page = paginator.get_page(page)

locustfile.py

@@ -26,4 +26,4 @@ def view_page(self):
 
     @task(1)
     def stress_test_heavy_query(self):
-        self.client.get("/items/?name=ThisIsNeverExistProduct", name="/items/?name=[empty]")
+        self.client.get("/items?name=ThisIsNeverExistProduct", name="/items?name=[empty]")