diff --git a/configs/examples/dash0_qwen30b_a3b_community_vllm020_harness.json b/configs/examples/dash0_qwen30b_a3b_community_vllm020_harness.json
index 8d71310..e6930f9 100644
--- a/configs/examples/dash0_qwen30b_a3b_community_vllm020_harness.json
+++ b/configs/examples/dash0_qwen30b_a3b_community_vllm020_harness.json
@@ -14,7 +14,7 @@
   "engine": {
     "engine_name": "vllm",
     "engine_version": "0.20.0",
-    "exec_path": "/home/admin/cpfs/wjh/venvs/vllm-0.20.0/bin/vllm",
+    "exec_path": "/tmp/wjh/venvs/vllm-0.20.0/bin/vllm",
     "cwd": "/home/admin/cpfs/wjh/aituner/aituner",
     "host": "127.0.0.1",
     "port": 18230,
@@ -57,7 +57,7 @@
       "allowed_data_parallel_sizes": [1, 2, 4, 8],
       "allowed_expert_parallel_sizes": [1, 2, 4, 8]
     },
-    "python_executable": "/home/admin/cpfs/wjh/venvs/vllm-0.20.0/bin/python"
+    "python_executable": "/tmp/wjh/venvs/vllm-0.20.0/bin/python"
   },
   "trace": {
     "windows_path": "/home/admin/cpfs/wjh/aituner/aituner/trace_windows/windows.json",
diff --git a/configs/examples/dash0_qwen30b_a3b_community_vllm020_noharness.json b/configs/examples/dash0_qwen30b_a3b_community_vllm020_noharness.json
index 469c9df..7084dcb 100644
--- a/configs/examples/dash0_qwen30b_a3b_community_vllm020_noharness.json
+++ b/configs/examples/dash0_qwen30b_a3b_community_vllm020_noharness.json
@@ -14,7 +14,7 @@
   "engine": {
     "engine_name": "vllm",
     "engine_version": "0.20.0",
-    "exec_path": "/home/admin/cpfs/wjh/venvs/vllm-0.20.0/bin/vllm",
+    "exec_path": "/tmp/wjh/venvs/vllm-0.20.0/bin/vllm",
     "cwd": "/home/admin/cpfs/wjh/aituner/aituner",
     "host": "127.0.0.1",
     "port": 18231,
@@ -57,7 +57,7 @@
       "allowed_data_parallel_sizes": [1, 2, 4, 8],
       "allowed_expert_parallel_sizes": [1, 2, 4, 8]
     },
-    "python_executable": "/home/admin/cpfs/wjh/venvs/vllm-0.20.0/bin/python"
+    "python_executable": "/tmp/wjh/venvs/vllm-0.20.0/bin/python"
   },
   "trace": {
     "windows_path": "/home/admin/cpfs/wjh/aituner/aituner/trace_windows/windows.json",
diff --git a/docs/qwen30b-community-vllm020/harness-early-stop-ablation-20260502.md b/docs/qwen30b-community-vllm020/harness-early-stop-ablation-20260502.md
index 6852f7b..660f36e 100644
--- a/docs/qwen30b-community-vllm020/harness-early-stop-ablation-20260502.md
+++ b/docs/qwen30b-community-vllm020/harness-early-stop-ablation-20260502.md
@@ -17,9 +17,9 @@ Both specs start from the same base vLLM configuration. The base contains only s
 
 ## vLLM Install
 
-PyPI reports `vllm==0.20.0` as the current community release checked on 2026-05-02. The dash0 installation target is:
+PyPI reports `vllm==0.20.0` as the current community release checked on 2026-05-02. The dash0 runtime venv is on local rootfs rather than CPFS, because installing torch/CUDA wheels into CPFS was I/O-bound:
 
-`/home/admin/cpfs/wjh/venvs/vllm-0.20.0`
+`/tmp/wjh/venvs/vllm-0.20.0`
 
 Install log: