From 1cc76b5f715a48498e4b7ca368494a0ec79f9bfa Mon Sep 17 00:00:00 2001
From: Aaron Rosen <arosen@nicira.com>
Date: Fri, 27 Sep 2013 11:36:15 -0700
Subject: [PATCH] Increase number of concurrent_connections to nvp

This patch increases the number of concurrent connections from 5 to 10
to nvp.

Fixes bug: 1232189

Change-Id: Ia05a7cf8001424e82a3c02e6bd92e2fa1d4a40ee
---
 etc/neutron/plugins/nicira/nvp.ini        | 6 +++---
 neutron/plugins/nicira/NvpApiClient.py    | 2 +-
 neutron/plugins/nicira/common/config.py   | 5 +++--
 neutron/tests/unit/nicira/test_nvpopts.py | 2 +-
 4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/etc/neutron/plugins/nicira/nvp.ini b/etc/neutron/plugins/nicira/nvp.ini
index 6178c57e4a..d2c8460c3a 100644
--- a/etc/neutron/plugins/nicira/nvp.ini
+++ b/etc/neutron/plugins/nicira/nvp.ini
@@ -78,9 +78,9 @@
 # Maximum number of ports for each overlay (stt, gre) logical switch
 # max_lp_per_overlay_ls = 256
 
-# Number of connects to each controller node.
-# default is 5
-# concurrent_connections = 3
+# Number of connections to each controller node.
+# default is 10
+# concurrent_connections = 10
 
 # Number of seconds a generation id should be valid for (default -1 meaning do not time out)
 # nvp_gen_timeout = -1
diff --git a/neutron/plugins/nicira/NvpApiClient.py b/neutron/plugins/nicira/NvpApiClient.py
index 3dcbc13b02..f61f96b919 100644
--- a/neutron/plugins/nicira/NvpApiClient.py
+++ b/neutron/plugins/nicira/NvpApiClient.py
@@ -61,7 +61,7 @@ class NVPApiHelper(client_eventlet.NvpApiClientEventlet):
 
     def __init__(self, api_providers, user, password, request_timeout,
                  http_timeout, retries, redirects,
-                 concurrent_connections=3, nvp_gen_timeout=-1):
+                 concurrent_connections=10, nvp_gen_timeout=-1):
         '''Constructor.
 
         :param api_providers: a list of tuples in the form:
diff --git a/neutron/plugins/nicira/common/config.py b/neutron/plugins/nicira/common/config.py
index 6193efe200..f805bdbc32 100644
--- a/neutron/plugins/nicira/common/config.py
+++ b/neutron/plugins/nicira/common/config.py
@@ -36,8 +36,9 @@ nvp_opts = [
     cfg.IntOpt('max_lp_per_overlay_ls', default=256,
                help=_("Maximum number of ports of a logical switch on an "
                       "overlay transport zone (default 256)")),
-    cfg.IntOpt('concurrent_connections', default=5,
-               help=_("Maximum concurrent connections")),
+    cfg.IntOpt('concurrent_connections', default=10,
+               help=_("Maximum concurrent connections to each NVP "
+                      "controller.")),
     cfg.IntOpt('nvp_gen_timeout', default=-1,
                help=_("Number of seconds a generation id should be valid for "
                       "(default -1 meaning do not time out)")),
diff --git a/neutron/tests/unit/nicira/test_nvpopts.py b/neutron/tests/unit/nicira/test_nvpopts.py
index 15de6f6745..e92f1132e0 100644
--- a/neutron/tests/unit/nicira/test_nvpopts.py
+++ b/neutron/tests/unit/nicira/test_nvpopts.py
@@ -124,7 +124,7 @@ class ConfigurationTest(testtools.TestCase):
     def test_defaults(self):
         self.assertEqual(5000, cfg.CONF.NVP.max_lp_per_bridged_ls)
         self.assertEqual(256, cfg.CONF.NVP.max_lp_per_overlay_ls)
-        self.assertEqual(5, cfg.CONF.NVP.concurrent_connections)
+        self.assertEqual(10, cfg.CONF.NVP.concurrent_connections)
         self.assertEqual('access_network', cfg.CONF.NVP.metadata_mode)
         self.assertEqual('stt', cfg.CONF.NVP.default_transport_type)