call periodic tasks after handling tasks

servicelayer/taskqueue.py

@@ -453,7 +453,6 @@ def process_blocking(self):
         """Blocking worker thread - executes tasks from a queue and periodic tasks"""
         while True:
             try:
-                self.periodic()
                 (task, channel, connection) = self.local_queue.get(timeout=TIMEOUT)
                 apply_task_context(task, v=self.version)
                 self.handle(task, channel)
@@ -463,6 +462,7 @@ def process_blocking(self):
                 pass
             finally:
                 clear_contextvars()
+                self.periodic()
 
     def process_nonblocking(self):
         """Non-blocking worker is used for tests only."""