diff --git a/tools/gcp/stress_test/run_node.sh b/tools/gcp/stress_test/run_node.sh
new file mode 100755
index 0000000000000000000000000000000000000000..329a57e90748a3a9b3dc4ae6b3bea403e342162e
--- /dev/null
+++ b/tools/gcp/stress_test/run_node.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# This is a wrapper script that was created to help run_server.py and
+# run_client.py to launch 'node js' stress clients and stress servers
+source ~/.nvm/nvm.sh
+
+set -ex
+
+$@
diff --git a/tools/run_tests/stress_test/configs/asan.json b/tools/run_tests/stress_test/configs/asan.json
index 7414829da84d4276a4d57f7a62417f4b54306faa..e17077b7d528e909ffb1848842afed6a25572871 100644
--- a/tools/run_tests/stress_test/configs/asan.json
+++ b/tools/run_tests/stress_test/configs/asan.json
@@ -29,8 +29,8 @@
     "templates": {
       "cxx_client_asan": {
         "baseTemplate": "default",
-        "stressClientCmd": "/var/local/git/grpc/bins/asan/stress_test",
-        "metricsClientCmd": "/var/local/git/grpc/bins/asan/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/asan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/asan/metrics_client"]
       }
     }
   },
@@ -48,7 +48,7 @@
     "templates": {
       "cxx_server_asan": {
         "baseTemplate": "default",
-        "stressServerCmd": "/var/local/git/grpc/bins/asan/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/asan/interop_server"]
       }
     }
   },
diff --git a/tools/run_tests/stress_test/configs/node.json b/tools/run_tests/stress_test/configs/node.json
index 525f9031b32da08c00e44cd8433f110681148df0..0c5262a78a9c52cbb0e60854611182add34a9412 100644
--- a/tools/run_tests/stress_test/configs/node.json
+++ b/tools/run_tests/stress_test/configs/node.json
@@ -27,8 +27,16 @@
     "templates": {
       "node_client": {
         "baseTemplate": "default",
-        "stressClientCmd": "node /var/local/git/grpc/src/node/stress/stress_client.js",
-        "metricsClientCmd": "node /var/local/git/grpc/src/node/stress/metrics_client.js"
+        "stressClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/stress_client.js"
+        ],
+        "metricsClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/metrics_client.js"
+        ]
       }
     }
   },
@@ -46,7 +54,11 @@
     "templates": {
       "node_server": {
         "baseTemplate": "default",
-        "stressServerCmd": "node /var/local/git/grpc/src/node/interop/interop_server.js"
+        "stressServerCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/interop/interop_server.js"
+        ]
       }
     }
   },
@@ -64,7 +76,7 @@
       "node-stress-client": {
         "clientTemplate": "node_client",
         "dockerImage": "grpc_stress_node",
-        "numInstances": 1,
+        "numInstances": 2,
         "serverPodSpec": "node-stress-server"
       }
     }
@@ -73,7 +85,7 @@
   "globalSettings": {
     "buildDockerImages": false,
     "pollIntervalSecs": 10,
-    "testDurationSecs": 60,
+    "testDurationSecs": 120,
     "kubernetesProxyPort": 8001,
     "datasetIdNamePrefix": "stress_test_node",
     "summaryTableId": "summary",
diff --git a/tools/run_tests/stress_test/configs/opt-tsan-asan.json b/tools/run_tests/stress_test/configs/opt-tsan-asan.json
index 30a256de7b3c580f1fc25ce271cb16f959715058..b49683a014721e6daf85eb4956a8d2951c777eea 100644
--- a/tools/run_tests/stress_test/configs/opt-tsan-asan.json
+++ b/tools/run_tests/stress_test/configs/opt-tsan-asan.json
@@ -39,18 +39,18 @@
     "templates": {
       "cxx_client_opt": {
         "baseTemplate": "default",
-        "stressClientCmd": "/var/local/git/grpc/bins/opt/stress_test",
-        "metricsClientCmd": "/var/local/git/grpc/bins/opt/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/opt/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/opt/metrics_client"]
       },
       "cxx_client_tsan": {
         "baseTemplate": "default",
-        "stressClientCmd": "/var/local/git/grpc/bins/tsan/stress_test",
-        "metricsClientCmd": "/var/local/git/grpc/bins/tsan/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/tsan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/tsan/metrics_client"]
       },
     "cxx_client_asan": {
         "baseTemplate": "default",
-        "stressClientCmd": "/var/local/git/grpc/bins/asan/stress_test",
-        "metricsClientCmd": "/var/local/git/grpc/bins/asan/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/asan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/asan/metrics_client"]
       }
     }
   },
@@ -68,15 +68,15 @@
     "templates": {
       "cxx_server_opt": {
         "baseTemplate": "default",
-        "stressServerCmd": "/var/local/git/grpc/bins/opt/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
       },
       "cxx_server_tsan": {
         "baseTemplate": "default",
-        "stressServerCmd": "/var/local/git/grpc/bins/tsan/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/tsan/interop_server"]
       },
     "cxx_server_asan": {
         "baseTemplate": "default",
-        "stressServerCmd": "/var/local/git/grpc/bins/asan/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/asan/interop_server"]
       }
     }
   },
diff --git a/tools/run_tests/stress_test/configs/opt.json b/tools/run_tests/stress_test/configs/opt.json
index 1cedb922b3e7fbaca047072bf28fcd3ece15e901..ae8c00a36dc7c48c0d0ebe9f1bd6683f647a8f09 100644
--- a/tools/run_tests/stress_test/configs/opt.json
+++ b/tools/run_tests/stress_test/configs/opt.json
@@ -29,8 +29,8 @@
     "templates": {
       "cxx_client_opt": {
         "baseTemplate": "default",
-        "stressClientCmd": "/var/local/git/grpc/bins/opt/stress_test",
-        "metricsClientCmd": "/var/local/git/grpc/bins/opt/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/opt/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/opt/metrics_client"]
       }
     }
   },
@@ -48,7 +48,7 @@
     "templates": {
       "cxx_server_opt": {
         "baseTemplate": "default",
-        "stressServerCmd": "/var/local/git/grpc/bins/opt/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
       }
     }
   },
diff --git a/tools/run_tests/stress_test/configs/tsan.json b/tools/run_tests/stress_test/configs/tsan.json
index 7e913892300516e7726e5e7e931acf2761cf8d59..8d8c954099a7f1590e96833d184ce09c544fb803 100644
--- a/tools/run_tests/stress_test/configs/tsan.json
+++ b/tools/run_tests/stress_test/configs/tsan.json
@@ -29,8 +29,8 @@
     "templates": {
       "cxx_client_tsan": {
         "baseTemplate": "default",
-        "stressClientCmd": "/var/local/git/grpc/bins/tsan/stress_test",
-        "metricsClientCmd": "/var/local/git/grpc/bins/tsan/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/tsan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/tsan/metrics_client"]
       }
     }
   },
@@ -48,7 +48,7 @@
     "templates": {
       "cxx_server_tsan": {
         "baseTemplate": "default",
-        "stressServerCmd": "/var/local/git/grpc/bins/tsan/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/tsan/interop_server"]
       }
     }
   },
diff --git a/tools/run_tests/stress_test/run_on_gke.py b/tools/run_tests/stress_test/run_on_gke.py
index 47c9725af32e4c7c1d5cc5765291054cee8a365b..50ac05c7b407d8520b6ccc927323e06e327691d4 100755
--- a/tools/run_tests/stress_test/run_on_gke.py
+++ b/tools/run_tests/stress_test/run_on_gke.py
@@ -67,9 +67,9 @@ class GlobalSettings:
 class ClientTemplate:
   """ Contains all the common settings that are used by a stress client """
 
-  def __init__(self, name, stress_client_cmd, metrics_client_cmd,
-               metrics_port, wrapper_script_path, poll_interval_secs,
-               client_args_dict, metrics_args_dict):
+  def __init__(self, name, stress_client_cmd, metrics_client_cmd, metrics_port,
+               wrapper_script_path, poll_interval_secs, client_args_dict,
+               metrics_args_dict):
     self.name = name
     self.stress_client_cmd = stress_client_cmd
     self.metrics_client_cmd = metrics_client_cmd
@@ -285,8 +285,7 @@ class Gke:
         'STRESS_TEST_CMD': client_pod_spec.template.stress_client_cmd,
         'STRESS_TEST_ARGS_STR': self._args_dict_to_str(
             client_pod_spec.get_client_args_dict()),
-        'METRICS_CLIENT_CMD':
-            client_pod_spec.template.metrics_client_cmd,
+        'METRICS_CLIENT_CMD': client_pod_spec.template.metrics_client_cmd,
         'METRICS_CLIENT_ARGS_STR': self._args_dict_to_str(
             client_pod_spec.template.metrics_args_dict),
         'POLL_INTERVAL_SECS': str(client_pod_spec.template.poll_interval_secs)
@@ -416,11 +415,13 @@ class Config:
       temp_dict.update(templates_dict[template_name])
 
       # Create and add ClientTemplate object to the final client_templates_dict
+      stress_client_cmd = ' '.join(temp_dict['stressClientCmd'])
+      metrics_client_cmd = ' '.join(temp_dict['metricsClientCmd'])
       client_templates_dict[template_name] = ClientTemplate(
-          template_name, temp_dict['stressClientCmd'],
-          temp_dict['metricsClientCmd'], temp_dict['metricsPort'],
-          temp_dict['wrapperScriptPath'], temp_dict['pollIntervalSecs'],
-          temp_dict['clientArgs'].copy(), temp_dict['metricsArgs'].copy())
+          template_name, stress_client_cmd, metrics_client_cmd,
+          temp_dict['metricsPort'], temp_dict['wrapperScriptPath'],
+          temp_dict['pollIntervalSecs'], temp_dict['clientArgs'].copy(),
+          temp_dict['metricsArgs'].copy())
 
     return client_templates_dict
 
@@ -452,10 +453,10 @@ class Config:
       temp_dict.update(templates_dict[template_name])
 
       # Create and add ServerTemplate object to the final server_templates_dict
+      stress_server_cmd = ' '.join(temp_dict['stressServerCmd'])
       server_templates_dict[template_name] = ServerTemplate(
-          template_name, temp_dict['stressServerCmd'],
-          temp_dict['wrapperScriptPath'], temp_dict['serverPort'],
-          temp_dict['serverArgs'].copy())
+          template_name, stress_server_cmd, temp_dict['wrapperScriptPath'],
+          temp_dict['serverPort'], temp_dict['serverArgs'].copy())
 
     return server_templates_dict