diff --git a/osm_mon/collector/infra_collectors/base_osinfra.py b/osm_mon/collector/infra_collectors/base_osinfra.py
index bce363c..050e525 100644
--- a/osm_mon/collector/infra_collectors/base_osinfra.py
+++ b/osm_mon/collector/infra_collectors/base_osinfra.py
@@ -100,8 +100,8 @@
 
     def _build_keystone_client(self, vim_account: dict) -> keystone_client.Client:
         sess = OpenstackUtils.get_session(vim_account)
-        return keystone_client.Client(session=sess)
+        return keystone_client.Client(session=sess, timeout=10)
 
     def _build_nova_client(self, vim_account: dict) -> nova_client.Client:
         sess = OpenstackUtils.get_session(vim_account)
-        return nova_client.Client("2", session=sess)
+        return nova_client.Client("2", session=sess, timeout=10)
diff --git a/osm_mon/collector/service.py b/osm_mon/collector/service.py
index c04f548..7673aed 100644
--- a/osm_mon/collector/service.py
+++ b/osm_mon/collector/service.py
@@ -127,7 +127,10 @@
             processes.append(p)
             p.start()
         for process in processes:
-            process.join(timeout=10)
+            process.join(timeout=20)
+        for process in processes:
+            if process.is_alive():
+                process.kill()
         metrics = []
         while not self.queue.empty():
             metrics.append(self.queue.get())
diff --git a/osm_mon/collector/utils/openstack.py b/osm_mon/collector/utils/openstack.py
index 2ec85be..09c472c 100644
--- a/osm_mon/collector/utils/openstack.py
+++ b/osm_mon/collector/utils/openstack.py
@@ -49,4 +49,4 @@
                            project_name=creds['vim_tenant_name'],
                            project_domain_name=project_domain_name,
                            user_domain_name=user_domain_name)
-        return session.Session(auth=auth, verify=verify_ssl)
+        return session.Session(auth=auth, verify=verify_ssl, timeout=10)