diff --git a/internal/kv/etcd/etcd_kv.go b/internal/kv/etcd/etcd_kv.go
index daea9a4dad7076df0ae7c6a4dc0ede524dbb442f..ec1ef457fb56c24adb1fa0e8364ee55b807ae176 100644
--- a/internal/kv/etcd/etcd_kv.go
+++ b/internal/kv/etcd/etcd_kv.go
@@ -31,7 +31,7 @@ func NewEtcdKV(client *clientv3.Client, rootPath string) *EtcdKV {
 		client:   client,
 		rootPath: rootPath,
 	}
-	go kv.performanceTest(false, 16<<20)
+	//go kv.performanceTest(false, 16<<20)
 	return kv
 }
 
@@ -265,6 +265,7 @@ func (kv *EtcdKV) performanceTest(toFile bool, totalBytes int) {
 		tc = time.Since(startT)
 		results.Cases = append(results.Cases, Case{Name: "read", BlockSize: len(data), Speed: 16.0 / tc.Seconds()})
 	}
+	kv.RemoveWithPrefix(fmt.Sprintf("performance-rand%d", r))
 	mb, err := json.Marshal(results)
 	if err != nil {
 		return
diff --git a/internal/kv/minio/minio_kv.go b/internal/kv/minio/minio_kv.go
index 652471a03ce41324dfe89fc16ab96ebc14c46450..9f8992f7cd9cfc275b461410369e91b47f259d82 100644
--- a/internal/kv/minio/minio_kv.go
+++ b/internal/kv/minio/minio_kv.go
@@ -76,7 +76,7 @@ func NewMinIOKV(ctx context.Context, option *Option) (*MinIOKV, error) {
 		minioClient: minIOClient,
 		bucketName:  option.BucketName,
 	}
-	go kv.performanceTest(false, 16<<20)
+	//go kv.performanceTest(false, 16<<20)
 
 	return kv, nil
 }
@@ -223,6 +223,7 @@ func (kv *MinIOKV) performanceTest(toFile bool, totalBytes int) {
 		tc = time.Since(startT)
 		results.Cases = append(results.Cases, Case{Name: "read", BlockSize: len(data), Speed: 16.0 / tc.Seconds()})
 	}
+	kv.RemoveWithPrefix(fmt.Sprintf("performance-rand%d", r))
 	mb, err := json.Marshal(results)
 	if err != nil {
 		return
diff --git a/tests/python_test/requirements.txt b/tests/python_test/requirements.txt
index 14ecf9befb36661b63c5725ac18416b4b64bba42..13b2dac197b46dcaa9016ade74f9246a44f4729e 100644
--- a/tests/python_test/requirements.txt
+++ b/tests/python_test/requirements.txt
@@ -10,7 +10,7 @@ allure-pytest==2.7.0
 pytest-print==0.2.1
 pytest-level==0.1.1
 pytest-xdist==2.2.1
-pymilvus-distributed==0.0.54
+pymilvus-distributed==0.0.55
 pytest-rerunfailures==9.1.1
 git+https://github.com/Projectplace/pytest-tags
 ndg-httpsclient