简单介绍.Net性能测试框架Crank的使用方法
这篇文章介绍了.Net性能测试框架Crank的使用方法。对大家的学习或者工作具有一定的参考学习价值，需要的朋友们下面随着小编来一起学习学习吧Crank 是微软新出的一个性能测试框架，集成了多种基准测试工具，如bombardier、wrk等。
Crank通过统一的配置，可以转换成不同基准测试工具进行测试。可参考Bombardier Job实现。
安装Crank
运行如下两个分别安装Crank的cli(Controller)和Agent。
dotnet tool update Microsoft.Crank.Controller --version "0.2.0-*" --global
dotnet tool update Microsoft.Crank.Agent--version "0.2.0-*" --global需要.Net SDK 5.0环境
安装完成后执行命令crank，会打印出如下可以配置的参数和介绍，或者github查看相关参数介绍。
PS C:\Users\Stack\Desktop> crank
Crank Benchmarks Controller
The Crank controller orchestrates benchmark jobs on Crank agents.
Usage: Crank
Options:
-?|-h|--help Show help information
-c|--config Configuration file or url
-s|--scenario Scenario to execute
-j|--job Name of job to define
--profile Profile name
--script Execute a named script available in the configuration files. Can be used multiple times.
-j|--json Saves the results as json in the specified file.
--csv Saves the results as csv in the specified file.
--compare An optional filename to compare the results to. Can be used multiple times.
--variable Variable
--sql Connection string of the SQL Server Database to store results in
--table Table name of the SQL Database to store results in
--session A logical identifier to group related jobs.
--description A string describing the job.
-p|--property Some custom key/value that will be added to the results, .e.g. --property arch=arm --property
os=linux执行crank-agent，启动基准测试所需的代理服务。github查看相关参数介绍。
PS C:\Users\Stack\Desktop> crank-agent
Hosting environment: Production
Content root path: C:\Users\Stack\.dotnet\tools\.store\microsoft.crank.agent\0.2.0-alpha.21567.1\microsoft.crank.agent\0.2.0-alpha.21567.1\tools\net5.0\any\
Now listening on: http://[::]:5010创建Crank配置文件
配置文件参考官方hello.benchmarks.yml示例
示例文件中引入了bombardier.yml，由于大环境对githubusercontent.com域名不太友好，可以考虑将bombardier.yml下载到本地，imports引入本地路径或者直接将文件内容加入到新建的配置文件。
imports:
-生产中使用推荐imports文件的方式，crank配置文件中做少量配置就可以完成基准测试，并且可以引入不同的Microsoft.Crank.Jobs.XXX/XXX.yml,基于不同的基准测试工具进行测试。
其他测试工具配置文件都在下。
variables:
headers:
none: ''
plaintext: '--header "Accept: text/plain,text/html;q=0.9,application/xhtml+xml;q=0.9,application/xml;q=0.8,*/*;q=0.7" --header "Connection: keep-alive"'
html: '--header "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8" --header "Connection: keep-alive"'
json: '--header "Accept: application/json,text/html;q=0.9,application/xhtml+xml;q=0.9,application/xml;q=0.8,*/*;q=0.7" --header "Connection: keep-alive"'
connectionclose: '--header "Connection: close"'
presetHeaders: none
jobs:
bombardier:
source:
repository:
branchOrCommit: main
project: src/Microsoft.Crank.Jobs.Bombardier/Microsoft.Crank.Jobs.Bombardier.csproj
sourceKey: bombardier
noBuild: true
readyStateText: Bombardier Client
waitForExit: true
variables:
connections: 256 #设置连接数
warmup: 15 #设置测试预热次数
duration: 15 #设置测试时间
requests: 0 #设置测试请求实例数
rate: 0 #设置每秒请求频率
transport: fasthttp # | http1 | http2设置使用golang的fasthttp库发送http请求
serverScheme: http
serverAddress: localhost
serverPort: 5000
path:
bodyFile: # path or url for a file to use as the body content
verb: # GET when nothing is specified
customHeaders: [ ] # list of headers with the format: ':', e.g. [ 'content-type: application/json' ]
arguments: "-c {{connections}} -w {{warmup}} -d {{duration}} -n {{requests}} --insecure -l {% if rate != 0 %} --rate {{ rate }} {% endif %} {% if transport %} --{{ transport}} {% endif %} {{headers}} {% for h in customHeaders %}{% assign s = h | split : ':' %}--header \"{{ s }}: {{ s | strip }}\" {% endfor %} {% if serverUri == blank or serverUri == empty %} {{serverScheme}}://{{serverAddress}}:{{serverPort}}{{path}} {% else %} {{serverUri}}:{{serverPort}}{{path}} {% endif %} {% if bodyFile != blank and bodyFile != empty %} -f {{bodyFile}} {% endif %}{% if verb != blank and verb != empty %} -m {{verb}} {% endif %}"
onConfigure:
# - job.timeout = Number(job.variables.duration) + Number(job.variables.warmup) + 10;
server:
source: #指定需要测试的项目，本文直接使用本地路径
localFolder: .
project: crank_demo.csproj
readyStateText: Application started.
# source: 指定测试项目的远程仓库地址，并通过branchOrCommit指定分支
# repository:
# branchOrCommit: main
# project: samples/hello/hello.csproj
# readyStateText: Application started.
scenarios: #配置基准测试场景
crank_demo: #定义方案名，执行crank命令时指定该名称
application:
job: server # 指定测试项目为上面定义的server
load:
job: bombardier # 指定测试工具bombardier
variables:
serverPort: 5000 #配置http服务端口
path: / #配置http服务地址
profiles:
local:
variables:
serverAddress: localhost
jobs:
application:
endpoints:
-
load:
endpoints:
-启动Crank-Agent
启动agent后执行crank，会有一个如下安装sdk的动作
Runtime: 6.0.0 (Current)
SDK: 6.0.100 (Current)
ASP.NET: 6.0.0 (Current)
Creating custom global.json
Desktop: 6.0.0 (Current)
Installing SDK '6.0.100' ...所以启动agent时多指定一个dotnethome参数，避免重复安装sdk。
crank-agent --dotnethome 'C:\Program Files\dotnet'启动Crank
crank --config .\demo.benchmarks.yml --scenario crank_demo --profile local--scenario crank_demo: 指定定义的测试场景
--profile local :设置输出结果到本地，即控制台输出
可以通过参数指定结果输出到本地json文件（--output results.json ）或者数据库（--sql --table ）
结果输出
这里省略压测期间的日志输出，直接列出结果。
| application | |
| --------------------- | ------------- |
| CPU Usage (%) | 56 |
| Cores usage (%) | 447 |
| Working Set (MB) | 140 |
| Private Memory (MB) | 157 |
| Build Time (ms) | 7,232 |
| Start Time (ms) | 501 |
| Published Size (KB) | 91,292 |
| .NET Core SDK Version | 6.0.100 |
| ASP.NET Core Version| 6.0.0+ae1a6cb |
| .NET Runtime Version| 6.0.0+4822e3c |
| load | |
| --------------------- | -------------- |
| CPU Usage (%) | 46 |
| Cores usage (%) | 370 |
| Working Set (MB) | 29 |
| Private Memory (MB) | 30 |
| Build Time (ms) | 11,891 |
| Start Time (ms) | 226 |
| Published Size (KB) | 68,228 |
| .NET Core SDK Version | 3.1.415 |
| ASP.NET Core Version| 3.1.21+458d974 |
| .NET Runtime Version| 3.1.21+df8abc0 |
| First Request (ms) | 185 |
| Requests | 912,005 |
| Bad responses | 0 |
| Mean latency (us) | 4,207 |
| Max latency (us) | 138,999 |
| Requests/sec | 60,305 |
| Requests/sec (max) | 128,523 |以上就是本文的全部内容，希望对大家的学习有所帮助。
http://blog.itpub.net/69955379/viewspace-2845754/
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