Added database cache benchmark

benchmarks/cache_benchmarks/database_cache/benchmark.py

@@ -0,0 +1,73 @@
+import random
+
+from django.core.cache import caches
+from django.core.management import call_command
+
+from ...utils import bench_setup
+
+
+class DatabaseCacheBackend:
+    def setup(self):
+        bench_setup()
+        call_command("createcachetable", verbosity=0)
+        random.seed(0)
+
+        self.cache = caches["db"]
+        self.iterations = 100
+        self.int_key = "int_key"
+        self.cache.set(self.int_key, 0)
+        self.keys = [
+            "key_{}".format(random.randint(1, 500)) for _ in range(self.iterations)
+        ]
+        self.values = [
+            random.randint(1, 1024**1) * bytes([random.randint(0, 255)])
+            for _ in range(self.iterations)
+        ]
+
+    def time_add(self):
+        for key, value in zip(self.keys, self.values):
+            self.cache.add(key, value)
+
+    def time_get(self):
+        for key in self.keys:
+            self.cache.get(key)
+
+    def time_set(self):
+        for key, value in zip(self.keys, self.values):
+            self.cache.set(key, value)
+
+    def time_get_or_set(self):
+        for key, value in zip(self.keys, self.values):
+            self.cache.get_or_set(key, value)
+
+    def time_touch(self):
+        for key in self.keys:
+            self.cache.touch(key)
+
+    def time_delete(self):
+        for key in self.keys:
+            self.cache.delete(key)
+
+    def time_get_many(self):
+        for _ in range(self.iterations):
+            self.cache.get_many(self.keys)
+
+    def time_set_many(self):
+        for _ in range(self.iterations):
+            self.cache.set_many(dict(zip(self.keys, self.values)))
+
+    def time_delete_many(self):
+        for _ in range(self.iterations):
+            self.cache.delete_many(self.keys)
+
+    def time_clear(self):
+        for _ in range(self.iterations):
+            self.cache.clear()
+
+    def time_incr(self):
+        for _ in range(self.iterations):
+            self.cache.incr(self.int_key)
+
+    def time_decr(self):
+        for _ in range(self.iterations):
+            self.cache.decr(self.int_key)

benchmarks/settings.py

@@ -9,6 +9,13 @@
     "default": {"ENGINE": "django.db.backends.sqlite3", "NAME": ":memory:"},
 }
 
+CACHES = {
+    "db": {
+        "BACKEND": "django.core.cache.backends.db.DatabaseCache",
+        "LOCATION": "cache_table",
+    },
+}
+
 INSTALLED_APPS = [
     "django.contrib.auth",
     "django.contrib.contenttypes",
@@ -54,6 +61,7 @@
     "benchmarks.query_benchmarks.query_select_related",
     "benchmarks.req_resp_benchmarks.default_middleware",
     "benchmarks.req_resp_benchmarks.http_methods",
+    "benchmarks.cache_benchmarks.database_cache",
 ]
 
 SECRET_KEY = "NOT REALLY SECRET"