diff --git a/system-test/partition-testcases/gce-5-node-3-partition.yml b/system-test/partition-testcases/gce-5-node-3-partition.yml
index 8197537b8e..2a4dfb156a 100755
--- a/system-test/partition-testcases/gce-5-node-3-partition.yml
+++ b/system-test/partition-testcases/gce-5-node-3-partition.yml
@@ -8,8 +8,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 5
       ENABLE_GPU: "false"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 15000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/partition-testcases/gce-partition-once-then-stabilize.yml b/system-test/partition-testcases/gce-partition-once-then-stabilize.yml
index 78668a1b06..264231fe5c 100755
--- a/system-test/partition-testcases/gce-partition-once-then-stabilize.yml
+++ b/system-test/partition-testcases/gce-partition-once-then-stabilize.yml
@@ -8,8 +8,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 5
       ENABLE_GPU: "false"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 15000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/performance-testcases/aws-cpu-only-perf-10-node.yml b/system-test/performance-testcases/aws-cpu-only-perf-10-node.yml
index 9d7add1704..e59b7cd4cb 100755
--- a/system-test/performance-testcases/aws-cpu-only-perf-10-node.yml
+++ b/system-test/performance-testcases/aws-cpu-only-perf-10-node.yml
@@ -11,7 +11,7 @@ steps:
       # Up to 3.1 GHz Intel Xeon® Platinum 8175, 16 vCPU, 64GB RAM
       VALIDATOR_NODE_MACHINE_TYPE: "m5.4xlarge"
       NUMBER_OF_CLIENT_NODES: 1
-      CLIENT_OPTIONS: "bench-tps=1=--tx_count 80000 --thread-batch-sleep-ms 1000"
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west-1a,us-west-1c,us-east-1a,eu-west-1a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: ""
diff --git a/system-test/performance-testcases/aws-cpu-only-perf-5-node.yml b/system-test/performance-testcases/aws-cpu-only-perf-5-node.yml
index 702a995290..164439cfc8 100755
--- a/system-test/performance-testcases/aws-cpu-only-perf-5-node.yml
+++ b/system-test/performance-testcases/aws-cpu-only-perf-5-node.yml
@@ -10,8 +10,8 @@ steps:
       ENABLE_GPU: "false"
       # Up to 3.1 GHz Intel Xeon® Platinum 8175, 16 vCPU, 64GB RAM
       VALIDATOR_NODE_MACHINE_TYPE: "m5.4xlarge"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 20000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west-1a,us-west-1c,us-east-1a,eu-west-1a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: ""
diff --git a/system-test/performance-testcases/azure-cpu-only-perf-5-node.yml b/system-test/performance-testcases/azure-cpu-only-perf-5-node.yml
index 5b7e9ced1d..e034801256 100755
--- a/system-test/performance-testcases/azure-cpu-only-perf-5-node.yml
+++ b/system-test/performance-testcases/azure-cpu-only-perf-5-node.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 5
       ENABLE_GPU: "false"
       VALIDATOR_NODE_MACHINE_TYPE: "Standard_D16s_v3"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 20000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "westus"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: ""
diff --git a/system-test/performance-testcases/colo-cpu-only-perf-4-val-1-client.yml b/system-test/performance-testcases/colo-cpu-only-perf-4-val-1-client.yml
index b808ff7c28..4a85a7bbfc 100755
--- a/system-test/performance-testcases/colo-cpu-only-perf-4-val-1-client.yml
+++ b/system-test/performance-testcases/colo-cpu-only-perf-4-val-1-client.yml
@@ -9,7 +9,7 @@ steps:
       TEST_DURATION_SECONDS: 600
       NUMBER_OF_VALIDATOR_NODES: 3
       NUMBER_OF_CLIENT_NODES: 1
-      CLIENT_OPTIONS: "bench-tps=1=--tx_count 40000 --thread-batch-sleep-ms 250"
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       ADDITIONAL_FLAGS: ""
       TEST_TYPE: "fixed_duration"
     agents:
diff --git a/system-test/performance-testcases/colo-gpu-perf-4-val-1-client.yml b/system-test/performance-testcases/colo-gpu-perf-4-val-1-client.yml
index 4be8f195d3..232de3eb44 100755
--- a/system-test/performance-testcases/colo-gpu-perf-4-val-1-client.yml
+++ b/system-test/performance-testcases/colo-gpu-perf-4-val-1-client.yml
@@ -9,7 +9,7 @@ steps:
       TEST_DURATION_SECONDS: 600
       NUMBER_OF_VALIDATOR_NODES: 3
       NUMBER_OF_CLIENT_NODES: 1
-      CLIENT_OPTIONS: "bench-tps=1=--tx_count 40000 --thread-batch-sleep-ms 250"
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       ADDITIONAL_FLAGS: ""
       TEST_TYPE: "fixed_duration"
     agents:
diff --git a/system-test/performance-testcases/colo-gpu-perf-high-txcount-4-val-1-client.yml b/system-test/performance-testcases/colo-gpu-perf-high-txcount-4-val-1-client.yml
index 59f1451418..d9dbd8c339 100755
--- a/system-test/performance-testcases/colo-gpu-perf-high-txcount-4-val-1-client.yml
+++ b/system-test/performance-testcases/colo-gpu-perf-high-txcount-4-val-1-client.yml
@@ -9,7 +9,7 @@ steps:
       TEST_DURATION_SECONDS: 600
       NUMBER_OF_VALIDATOR_NODES: 3
       NUMBER_OF_CLIENT_NODES: 1
-      CLIENT_OPTIONS: "bench-tps=1=--tx_count 60000 --thread-batch-sleep-ms 250"
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 20000 --thread-batch-sleep-ms 250"
       ADDITIONAL_FLAGS: ""
       TEST_TYPE: "fixed_duration"
     agents:
diff --git a/system-test/performance-testcases/gce-cpu-only-perf-10-node.yml b/system-test/performance-testcases/gce-cpu-only-perf-10-node.yml
index 7a9984f112..2e36eebb96 100755
--- a/system-test/performance-testcases/gce-cpu-only-perf-10-node.yml
+++ b/system-test/performance-testcases/gce-cpu-only-perf-10-node.yml
@@ -10,7 +10,7 @@ steps:
       ENABLE_GPU: "false"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16"
       NUMBER_OF_CLIENT_NODES: 1
-      CLIENT_OPTIONS: "bench-tps=1=--tx_count 80000 --thread-batch-sleep-ms 1000"
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a,us-west1-b,us-central1-a,europe-west4-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/performance-testcases/gce-cpu-only-perf-5-node.yml b/system-test/performance-testcases/gce-cpu-only-perf-5-node.yml
index 19e2edf802..997f9e39e0 100755
--- a/system-test/performance-testcases/gce-cpu-only-perf-5-node.yml
+++ b/system-test/performance-testcases/gce-cpu-only-perf-5-node.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 5
       ENABLE_GPU: "false"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 20000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a,us-west1-b,us-central1-a,europe-west4-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/performance-testcases/gce-gpu-perf-10-node-single-region.yml b/system-test/performance-testcases/gce-gpu-perf-10-node-single-region.yml
index 91d213a9e3..c2036a4465 100755
--- a/system-test/performance-testcases/gce-gpu-perf-10-node-single-region.yml
+++ b/system-test/performance-testcases/gce-gpu-perf-10-node-single-region.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 10
       ENABLE_GPU: "true"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16 --accelerator count=2,type=nvidia-tesla-v100"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 15000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/performance-testcases/gce-gpu-perf-10-node.yml b/system-test/performance-testcases/gce-gpu-perf-10-node.yml
index fe18204a07..f4b568b076 100755
--- a/system-test/performance-testcases/gce-gpu-perf-10-node.yml
+++ b/system-test/performance-testcases/gce-gpu-perf-10-node.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 10
       ENABLE_GPU: "true"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16 --accelerator count=2,type=nvidia-tesla-v100"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 15000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a,us-west1-b,us-central1-a,europe-west4-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/performance-testcases/gce-gpu-perf-25-node-single-region.yml b/system-test/performance-testcases/gce-gpu-perf-25-node-single-region.yml
index 19156f87f1..b9dd8a7725 100755
--- a/system-test/performance-testcases/gce-gpu-perf-25-node-single-region.yml
+++ b/system-test/performance-testcases/gce-gpu-perf-25-node-single-region.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 25
       ENABLE_GPU: "true"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16 --accelerator count=2,type=nvidia-tesla-v100"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 15000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/performance-testcases/gce-gpu-perf-25-node.yml b/system-test/performance-testcases/gce-gpu-perf-25-node.yml
index 3f9415cd5e..b4ed7f5186 100755
--- a/system-test/performance-testcases/gce-gpu-perf-25-node.yml
+++ b/system-test/performance-testcases/gce-gpu-perf-25-node.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 25
       ENABLE_GPU: "true"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16 --accelerator count=2,type=nvidia-tesla-v100"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 15000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a,us-west1-b,us-central1-a,europe-west4-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/performance-testcases/gce-gpu-perf-5-node-single-region.yml b/system-test/performance-testcases/gce-gpu-perf-5-node-single-region.yml
index 2f007da3dc..014babef6d 100755
--- a/system-test/performance-testcases/gce-gpu-perf-5-node-single-region.yml
+++ b/system-test/performance-testcases/gce-gpu-perf-5-node-single-region.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 5
       ENABLE_GPU: "true"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16 --accelerator count=2,type=nvidia-tesla-v100"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 20000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/performance-testcases/gce-gpu-perf-5-node.yml b/system-test/performance-testcases/gce-gpu-perf-5-node.yml
index 5972b8d1c6..16a2ed8a4b 100755
--- a/system-test/performance-testcases/gce-gpu-perf-5-node.yml
+++ b/system-test/performance-testcases/gce-gpu-perf-5-node.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 5
       ENABLE_GPU: "true"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16 --accelerator count=2,type=nvidia-tesla-v100"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 20000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a,us-west1-b,us-central1-a,europe-west4-a"
       USE_PUBLIC_IP_ADDRESSES: "true"
       ADDITIONAL_FLAGS: "--dedicated"
diff --git a/system-test/performance-testcases/gce-gpu-perf-50-node-single-region.yml b/system-test/performance-testcases/gce-gpu-perf-50-node-single-region.yml
index 1188cf6aa7..04b365df30 100755
--- a/system-test/performance-testcases/gce-gpu-perf-50-node-single-region.yml
+++ b/system-test/performance-testcases/gce-gpu-perf-50-node-single-region.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 50
       ENABLE_GPU: "true"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16 --accelerator count=2,type=nvidia-tesla-v100"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 15000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a"
       ALLOW_BOOT_FAILURES: "true"
       USE_PUBLIC_IP_ADDRESSES: "true"
diff --git a/system-test/performance-testcases/gce-gpu-perf-50-node.yml b/system-test/performance-testcases/gce-gpu-perf-50-node.yml
index 7e6d84fa42..d14269d284 100755
--- a/system-test/performance-testcases/gce-gpu-perf-50-node.yml
+++ b/system-test/performance-testcases/gce-gpu-perf-50-node.yml
@@ -9,8 +9,8 @@ steps:
       NUMBER_OF_VALIDATOR_NODES: 50
       ENABLE_GPU: "true"
       VALIDATOR_NODE_MACHINE_TYPE: "--machine-type n1-standard-16 --accelerator count=2,type=nvidia-tesla-v100"
-      NUMBER_OF_CLIENT_NODES: 2
-      CLIENT_OPTIONS: "bench-tps=2=--tx_count 15000 --thread-batch-sleep-ms 250"
+      NUMBER_OF_CLIENT_NODES: 1
+      CLIENT_OPTIONS: "bench-tps=1=--tx_count 10000 --thread-batch-sleep-ms 250"
       TESTNET_ZONES: "us-west1-a,us-west1-b,us-central1-a,europe-west4-a"
       ALLOW_BOOT_FAILURES: "true"
       USE_PUBLIC_IP_ADDRESSES: "true"