perf: disk_size

defaults

@@ -32,5 +32,5 @@
   "tmb_docker": "registry.cn-shanghai.aliyuncs.com/choppy-pipe/tmb:1.0.0",
   "cluster_16cpu_32gb": "OnDemand bcs.b2.3xlarge img-ubuntu-vpc",
   "cluster_2cpu_4gb": "OnDemand bcs.es.c.large img-ubuntu-vpc",
-  "disk_size": "200"
+  "disk_size": "500"
 }