simplify cache generation

don't use lambda to filter. this is 25% faster but really negligible. Change-Id: Ib76470fc3a5cdfc79e497d568147b66c08e6dba1
Missxiaoguo · Aug 15, 2018 · 992efae · 992efae
1 parent 886dc38
commit 992efae
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ceilometer/publisher/gnocchi.py b/ceilometer/publisher/gnocchi.py
@@ -462,8 +462,8 @@ def _if_not_cached(self, operation, resource_type, resource, method,
 
     def _check_resource_cache(self, key, resource_data):
         cached_hash = self.cache.get(key)
-        attribute_hash = hash(frozenset(filter(lambda x: x[0] != "metrics",
-                                               resource_data.items())))
+        attribute_hash = hash(tuple(i for i in resource_data.items()
+                                    if i[0] != 'metrics'))
         if not cached_hash or cached_hash != attribute_hash:
             return attribute_hash
         else: