[skip ci] Add comments of config file (#11384)

Signed-off-by: Nwangting0128 <ting.wang@zilliz.com>

tests/benchmark/milvus_benchmark/config.py

@@ -34,7 +34,7 @@ SINGLE_DEPLOY_MODE = "single"
 CLUSTER_DEPLOY_MODE = "cluster"
 CLUSTER_3RD_DEPLOY_MODE = "cluster_3rd"
 
-
+# chaos's config
 NAMESPACE = "milvus"
 CHAOS_NAMESPACE = "chaos-testing"
 DEFAULT_API_VERSION = 'chaos-mesh.org/v1alpha1'
@@ -46,4 +46,4 @@ MINIO_HOST = "milvus-test-minio.qa-milvus.svc.cluster.local"
 MINIO_PORT = 9000
 MINIO_ACCESS_KEY = "minioadmin"
 MINIO_SECRET_KEY = "minioadmin"
-MINIO_BUCKET_NAME = "test"
\ No newline at end of file
+MINIO_BUCKET_NAME = "test"