fix connection pool exhaustion

brian_dashboard_manager/grafana/utils/request.py

@@ -12,7 +12,7 @@ class Request(requests.Session):
         super().__init__()
 
         # allow using up to 16 connections
-        adapter = HTTPAdapter(pool_maxsize=MAX_THREADS)
+        adapter = HTTPAdapter(pool_maxsize=MAX_THREADS * 2)  # should prevent connection pool exhaustion
         self.mount(url, adapter)
 
         self.headers.update({