java grpc 测试_linux grpc测试基于ghz工具

1.测试前提，参考先熟悉grpc测试demo:

参考官网：python 实现grpc client以及service :

https://grpc.io/docs/quickstart/python/

java实现client 和service:https://grpc.io/docs/quickstart/java/

细节我就不讲了：

主要说下.proto文件，他是实现grpc的基础，根据他产生契约helloworld_pb2，以及客户端服务端调用类：helloworld_pb2_grpc(核心调用client编写就靠他的Stub 类)：

生成契约和grpc client和 service 类

$ python -m grpc_tools.protoc   -I     ../../protos    --python_out=.      --grpc_python_out=.      ../../protos/helloworld.proto

依赖文件：

grpcio==1.28.1

grpcio-tools==1.28.1

protobuf==3.11.3

coverage>=4.0

cython>=0.29.8

enum34>=1.0.4

#protobuf>=3.5.0.post1

six>=1.10

wheel>=0.29

setuptools==46.1.3

2.linux 环境搭建安装python3：

虚拟环境：基于virtualenv

安装依赖

3.安装ghz工具，安装go：

wget  https://github.com/bojand/ghz/releases/download/v0.52.0/ghz_0.52.0_Linux_x86_64.tar.gz

配置ghz和go环境变量vi/etc/profile：

export PATH=$PATH:/usr/local/go/bin

export PATH=$PATH:/project

source /etc/profile:

验证golang ,ghz 环境：

go version

ghz -h

4.启动grpc server:

编写一个简单的服务端grpc_server和对应的client 先mock下server可用，然后进行ghz工具压测server ：

[[email protected]_master helloword]# cat grpc_client.py

import logging

import time

import grpc

import helloworld_pb2

import helloworld_pb2_grpc

import json

def run():

with grpc.insecure_channel(‘localhost:50051‘) as channel:

stub = helloworld_pb2_grpc.GreeterStub(channel)

req={"name":"jack","id":1001}

# transfer json object to bytes to send grpc request

body=json.dumps(req).encode("utf-8")

response = stub.SayHello(helloworld_pb2.HelloRequest(name=body))

# print(type(response.message))

print(response.message)

if __name__ == ‘__main__‘:

logging.basicConfig()

run()

grpc_server.py:

from concurrent import futures

import logging

import grpc

import helloworld_pb2

import helloworld_pb2_grpc

class Greeter(helloworld_pb2_grpc.GreeterServicer):

def SayHello(self, request, context):

return helloworld_pb2.HelloReply(message= request.name)

def serve():

server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))

helloworld_pb2_grpc.add_GreeterServicer_to_server(Greeter(), server)

server.add_insecure_port(‘[::]:50051‘)

server.start()

server.wait_for_termination()

if __name__ == ‘__main__‘:

logging.basicConfig()

serve()

启动服务端 python grpc_server.py,在运行client测试，查看结果：

C:\Python37\python.exe D:/workspace/demos/python/helloword/grpc_client.py

{"name": "jack", "id": 1001}

Process finished with exit code 0

，接着进行压测：

前面已经安装好了ghz ，接着进行压力测试：

鉴于ghz 命令基于linux所以打算借助脚本调用 ghz  压力测试命令，以及请求参数构造：

脚本：

import subprocess

import json

def exe_cmd(args):

sub=subprocess.Popen(args,shell=False,stdout=subprocess.PIPE,stderr=subprocess.STDOUT)

out,err=sub.communicate()

return out.decode("utf-8")

def demo():

bytes_data={"name":"zhangsan","id":"10001"}

bytes_data=json.dumps(bytes_data).encode("utf-8")

args=["ghz","--skipTLS","--insecure","--proto","../../protos/helloworld.proto",

"--call","helloworld.Greeter.SayHello","--metadata",bytes_data,"-c","5","--qps","100","-z","1m","--connections","5","-t","20s","0.0.0.0:50051"]

print(exe_cmd(args))

if __name__ == ‘__main__‘:

demo()

这里输出默认是命令行展示结果：

[[email protected]_master helloword]# python deso.py

Summary:

Count:29761

Total:60.01 s

Slowest:71.66 ms

Fastest:0.52 ms

Average:3.63 ms

Requests/sec:495.95

Response time histogram:

0.515 [1]|

7.630 [29219]|????????????????????????????????????????

14.744 [384]|?

21.859 [133]|

28.973 [8]|

36.088 [2]|

43.202 [0]|

50.317 [3]|

57.431 [2]|

64.546 [4]|

71.660 [1]|

Latency distribution:

10 % in 1.67 ms

25 % in 2.03 ms

50 % in 3.36 ms

75 % in 4.82 ms

90 % in 5.76 ms

95 % in 6.37 ms

99 % in 12.27 ms

Status code distribution:

[OK] 29757 responses

[Unavailable] 2 responses

[Canceled] 2 responses

Error distribution:

[2] rpc error: code = Unavailable desc = transport is closing

[2] rpc error: code = Canceled desc = grpc: the client connection is closing

为了方便阅读，可以保存为html 只需添加参数 -o ./result.html -O html既可

args=["ghz","--skipTLS","--insecure","--proto","../../protos/helloworld.proto",

"--call","helloworld.Greeter.SayHello","--metadata",bytes_data,"-o","./result.html","-O","html","-c","5","-n","10","0.0.0.0:50051"]

注意事项：

def demo():

bytes_data={"name":"zhangsan","id":"10001"}

bytes_data=json.dumps(bytes_data).encode("utf-8")

args=["ghz","--skipTLS","--insecure","--proto","../../protos/helloworld.proto",

"--call","helloworld.Greeter.SayHello","--metadata",bytes_data,"-c","5","--qps","100","-z","1m","--connections","5","-t","20s","0.0.0.0:50051"]

print(exe_cmd(args))

这里bytes_data=里整数按字符串填写，否则go 转换出错，其次 一般 -d {"key":"value"}需要在proto文件定义type,这里为了通用传输字节，我直接按metadata元数据传输他会自动处理

原文：https://www.cnblogs.com/SunshineKimi/p/12813925.html